diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothGuess.cs b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothGuess.cs
index 590c7029b..47f210bc4 100644
--- a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothGuess.cs
+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothGuess.cs
@@ -113,7 +113,7 @@ namespace UniVRM10.Cloth.Viewer
         static bool TryAddGroupChildChild(
             Animator animator, HumanBodyBones humanBone,
             string[] targets, string[] excludes,
-            out List<Warp> group)
+            out List<WarpRoot> group)
         {
             var bone = animator.GetBoneTransform(humanBone);
             if (bone == null)
@@ -123,7 +123,7 @@ namespace UniVRM10.Cloth.Viewer
                 return false;
             }
 
-            List<Warp> transforms = new();
+            List<WarpRoot> transforms = new();
             foreach (Transform child in bone)
             {
                 foreach (Transform childchild in child)
@@ -137,11 +137,10 @@ namespace UniVRM10.Cloth.Viewer
                     {
                         if (childchild.name.ToLower().Contains(target.ToLower()))
                         {
-                            var warp = childchild.gameObject.AddComponent<Warp>();
+                            var warp = childchild.gameObject.AddComponent<WarpRoot>();
                             //     Name = name,
                             //     CollisionMask = mask,
                             warp.BaseSettings.radius = 0.02f;
-                            warp.AddParticleRecursive();
                             //     Connection = type
                             transforms.Add(warp);
                             break;
@@ -161,7 +160,7 @@ namespace UniVRM10.Cloth.Viewer
         }
 
         static bool TryAddGroup(Animator animator, HumanBodyBones humanBone, string[] targets,
-            out List<Warp> group)
+            out List<WarpRoot> group)
         {
             var bone = animator.GetBoneTransform(humanBone);
             if (bone == null)
@@ -171,19 +170,18 @@ namespace UniVRM10.Cloth.Viewer
                 return false;
             }
 
-            List<Warp> transforms = new();
+            List<WarpRoot> transforms = new();
             foreach (Transform child in bone)
             {
                 foreach (var target in targets)
                 {
                     if (child.name.ToLower().Contains(target.ToLower()))
                     {
-                        var warp = child.gameObject.AddComponent<Warp>();
+                        var warp = child.gameObject.AddComponent<WarpRoot>();
                         if (warp != null)
                         {
                             // CollisionMask = mask,
                             warp.BaseSettings.radius = 0.02f;
-                            warp.AddParticleRecursive();
                             // Connection = type
                             transforms.Add(warp);
                         }
diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
index 310375276..26bfeda76 100644
--- a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
@@ -263,7 +263,6 @@ namespace UniVRM10.Cloth.Viewer
 
         Loaded m_loaded;
         RotateParticle.HumanoidPose m_init;
-        int m_springFrame = 0;
 
         static class ArgumentChecker
         {
@@ -556,7 +555,7 @@ namespace UniVRM10.Cloth.Viewer
                     if (vrm.SpringBone.ColliderGroups.Count == 0)
                     {
                         HumanoidCollider.AddColliders(animator);
-                        var warps = animator.GetComponentsInChildren<Warp>();
+                        var warps = animator.GetComponentsInChildren<WarpRoot>();
                         var colliderGroups = animator.GetComponentsInChildren<VRM10SpringBoneColliderGroup>();
                         foreach (var warp in warps)
                         {
@@ -567,7 +566,7 @@ namespace UniVRM10.Cloth.Viewer
                 else
                 {
                     RotateParticleRuntimeProvider.FromVrm10(vrm,
-                        go => go.AddComponent<Warp>(),
+                        go => go.AddComponent<WarpRoot>(),
                         o => GameObject.DestroyImmediate(o));
                 }
             }
@@ -613,7 +612,6 @@ namespace UniVRM10.Cloth.Viewer
                 instance.EnableUpdateWhenOffscreen();
                 m_loaded = new Loaded(instance, m_target.transform);
                 m_init = new RotateParticle.HumanoidPose(vrm10Instance.GetComponent<Animator>());
-                m_springFrame = 0;
                 m_showBoxMan.isOn = false;
             }
             catch (Exception ex)
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/RotateParticleRuntimeProviderEditor.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/RotateParticleRuntimeProviderEditor.cs
index 06c722cc4..49ba25654 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/RotateParticleRuntimeProviderEditor.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/RotateParticleRuntimeProviderEditor.cs
@@ -39,7 +39,7 @@ namespace RotateParticle.Components
                     var undo = Undo.GetCurrentGroup();
 
                     Undo.RegisterCompleteObjectUndo(instance, "RegisterCompleteObjectUndo");
-                    RotateParticleRuntimeProvider.FromVrm10(instance, Undo.AddComponent<Warp>, Undo.DestroyObjectImmediate);
+                    RotateParticleRuntimeProvider.FromVrm10(instance, Undo.AddComponent<WarpRoot>, Undo.DestroyObjectImmediate);
                     Undo.RegisterFullObjectHierarchyUndo(instance.gameObject, "RegisterFullObjectHierarchyUndo");
 
                     Undo.RegisterCompleteObjectUndo(provider, "RegisterCompleteObjectUndo");
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpEditor.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpRootEditor.cs
similarity index 66%
rename from Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpEditor.cs
rename to Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpRootEditor.cs
index 8972f31a7..173c7b57c 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpEditor.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpRootEditor.cs
@@ -9,12 +9,12 @@ using UniVRM10;
 
 namespace RotateParticle.Components
 {
-    [CustomEditor(typeof(Warp))]
-    class WarpEditor : Editor
+    [CustomEditor(typeof(WarpRoot))]
+    class WarpRootEditor : Editor
     {
-        private Warp m_target;
+        private WarpRoot m_target;
         private Vrm10Instance m_vrm;
-        private Transform[] m_items;
+        private MultiColumnTreeView m_treeview;
 
         void OnEnable()
         {
@@ -23,9 +23,8 @@ namespace RotateParticle.Components
                 return;
             }
 
-            m_target = (Warp)target;
+            m_target = (WarpRoot)target;
             m_vrm = m_target.GetComponentInParent<Vrm10Instance>();
-            m_items = m_target.GetComponentsInChildren<Transform>().Skip(1).ToArray();
         }
 
         // public override void OnInspectorGUI()
@@ -59,68 +58,89 @@ namespace RotateParticle.Components
                 s.SetEnabled(false);
                 root.Add(s);
             }
-            root.Add(new PropertyField { bindingPath = nameof(Warp.BaseSettings) });
-            root.Add(new PropertyField { bindingPath = nameof(Warp.Center) });
+            root.Add(new PropertyField { bindingPath = nameof(WarpRoot.BaseSettings) });
+            root.Add(new PropertyField { bindingPath = nameof(WarpRoot.Center) });
 
-            root.Add(new PropertyField { bindingPath = nameof(Warp.Particles) });
+            root.Add(new PropertyField { bindingPath = nameof(WarpRoot.Particles) });
             {
-
-                var listview = new MultiColumnListView();
-                listview.columns.Add(new Column
+                m_treeview = new MultiColumnTreeView();
+                m_treeview.columns.Add(new Column
                 {
                     title = "Transform",
-                    width = 80,
+                    width = 160,
                     makeCell = () => new ObjectField(),
                     bindCell = (v, i) =>
                     {
                         v.SetEnabled(false);
-                        (v as ObjectField).value = m_items[i];
+                        (v as ObjectField).value = m_target.GetParticle(i).Transform;
                     },
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "Mode",
                     width = 60,
-                    makeCell = () => new EnumField(default(Warp.ParticleMode)),
+                    makeCell = () => new EnumField(default(WarpRoot.ParticleMode)),
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "stiffnessForce",
                     width = 20,
                     makeCell = () => new FloatField(),
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "gravityPower",
                     width = 20,
                     makeCell = () => new FloatField(),
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "gravityDir",
                     width = 20,
                     makeCell = () => new Vector3Field(),
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "dragForce",
                     width = 20,
                     makeCell = () => new FloatField(),
                 });
-                listview.columns.Add(new Column
+                m_treeview.columns.Add(new Column
                 {
                     title = "radius",
                     width = 20,
                     makeCell = () => new FloatField(),
                 });
 
-                listview.itemsSource = m_items;
-                root.Add(listview);
+                m_treeview.autoExpand = true;
+                m_treeview.SetRootItems(m_target.m_rootitems);
+                root.Add(m_treeview);
             }
 
-            root.Add(new PropertyField { bindingPath = nameof(Warp.ColliderGroups) });
+            root.Add(new PropertyField { bindingPath = nameof(WarpRoot.ColliderGroups) });
 
             return root;
         }
+
+        public void OnSceneGUI()
+        {
+            if (m_treeview == null)
+            {
+                return;
+            }
+
+            var item = m_treeview.selectedItem;
+            if (item == null)
+            {
+                return;
+            }
+
+            if (item is WarpRoot.Particle p)
+            {
+                var t = p.Transform;
+                Handles.color = Color.green;
+                Handles.SphereHandleCap(t.GetInstanceID(), t.position, t.rotation, p.Settings.radius * 2, EventType.Repaint);
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpEditor.cs.meta b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpRootEditor.cs.meta
similarity index 100%
rename from Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpEditor.cs.meta
rename to Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/WarpRootEditor.cs.meta
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RectCloth.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RectCloth.cs
index cf5208cba..254a336dc 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RectCloth.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RectCloth.cs
@@ -12,63 +12,63 @@ namespace RotateParticle.Components
         public bool LoopIsClosed = false;
 
         [SerializeField]
-        public List<Warp> Warps = new();
+        public List<WarpRoot> Warps = new();
 
         void Reset()
         {
             for (int i = 0; i < transform.childCount; ++i)
             {
                 var child = transform.GetChild(i);
-                if (child.TryGetComponent<Warp>(out var warp))
+                if (child.TryGetComponent<WarpRoot>(out var warp))
                 {
                     Warps.Add(warp);
                 }
             }
         }
 
-        public void OnDrawGizmosSelected()
-        {
-            if (Warps.Count == 0)
-            {
-                return;
-            }
+        // public void OnDrawGizmosSelected()
+        // {
+        //     if (Warps.Count == 0)
+        //     {
+        //         return;
+        //     }
 
-            // Gizmos.color = Color.red;
-            Gizmos.color = new Color(1, 0.5f, 0);
-            for (int i = 0; i < Warps.Count; ++i)
-            {
-                if (i + 1 == Warps.Count)
-                {
-                    if (LoopIsClosed)
-                    {
-                        DrawWeft(Warps[i], Warps[0]);
-                    }
-                }
-                else
-                {
-                    DrawWeft(Warps[i], Warps[i + 1]);
-                }
-            }
-        }
+        //     // Gizmos.color = Color.red;
+        //     Gizmos.color = new Color(1, 0.5f, 0);
+        //     for (int i = 0; i < Warps.Count; ++i)
+        //     {
+        //         if (i + 1 == Warps.Count)
+        //         {
+        //             if (LoopIsClosed)
+        //             {
+        //                 DrawWeft(Warps[i], Warps[0]);
+        //             }
+        //         }
+        //         else
+        //         {
+        //             DrawWeft(Warps[i], Warps[i + 1]);
+        //         }
+        //     }
+        // }
 
-        void DrawWeft(Warp w0, Warp w1)
-        {
-            if (w0 == null || w1 == null)
-            {
-                return;
-            }
+        // void DrawWeft(WarpR w0, Warp w1)
+        // {
+        //     if (w0 == null || w1 == null)
+        //     {
+        //         return;
+        //     }
 
-            Gizmos.DrawLine(w0.transform.position, w1.transform.position);
+        //     Gizmos.DrawLine(w0.transform.position, w1.transform.position);
 
-            for (int i = 0; i < w0.Particles.Count && i < w1.Particles.Count; ++i)
-            {
-                var p0 = w0.Particles[i];
-                var p1 = w1.Particles[i];
-                if (p0 != null && p0.Transform != null && p1 != null && p1.Transform != null)
-                {
-                    Gizmos.DrawLine(p0.Transform.position, p1.Transform.position);
-                }
-            }
-        }
+        //     for (int i = 0; i < w0.Particles.Count && i < w1.Particles.Count; ++i)
+        //     {
+        //         var p0 = w0.Particles[i];
+        //         var p1 = w1.Particles[i];
+        //         if (p0 != null && p0.Transform != null && p1 != null && p1.Transform != null)
+        //         {
+        //             Gizmos.DrawLine(p0.Transform.position, p1.Transform.position);
+        //         }
+        //     }
+        // }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RotateParticleRuntimeProvider.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RotateParticleRuntimeProvider.cs
index b36eb5a34..349d547f1 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RotateParticleRuntimeProvider.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/RotateParticleRuntimeProvider.cs
@@ -11,7 +11,7 @@ namespace RotateParticle.Components
     public class RotateParticleRuntimeProvider : MonoBehaviour, IVrm10SpringBoneRuntimeProvider
     {
         [SerializeField]
-        public List<Warp> Warps = new();
+        public List<WarpRoot> Warps = new();
 
         [SerializeField]
         public List<RectCloth> Cloths = new();
@@ -25,7 +25,7 @@ namespace RotateParticle.Components
 
         public void Reset()
         {
-            Warps = GetComponentsInChildren<Warp>().ToList();
+            Warps = GetComponentsInChildren<WarpRoot>().ToList();
             Cloths = GetComponentsInChildren<RectCloth>().ToList();
         }
 
@@ -39,7 +39,7 @@ namespace RotateParticle.Components
         }
 
         public static void FromVrm10(Vrm10Instance instance,
-            Func<GameObject, Warp> addWarp,
+            Func<GameObject, WarpRoot> addWarp,
             Action<UnityEngine.Object> deleteObject)
         {
             foreach (var spring in instance.SpringBone.Springs)
@@ -55,7 +55,7 @@ namespace RotateParticle.Components
                     continue;
                 }
 
-                var warp = root_joint.GetComponent<Warp>();
+                var warp = root_joint.GetComponent<WarpRoot>();
                 if (warp == null)
                 {
                     // var warp = Undo.AddComponent<Warp>(root_joint);
@@ -82,12 +82,14 @@ namespace RotateParticle.Components
                             // breaking change from vrm-1.0
                             settings.radius = joints[i - 1].m_jointRadius;
                             var useInheritSettings = warp.BaseSettings.Equals(settings);
-                            warp.Particles.Add(new Warp.Particle
+                            if (useInheritSettings)
                             {
-                                useInheritSettings = useInheritSettings,
-                                OverrideSettings = settings,
-                                Transform = joint.transform,
-                            });
+                                warp.UseBaseSettings(joint.transform);
+                            }
+                            else
+                            {
+                                warp.SetSettings(joint.transform, settings);
+                            }
                         }
                         // Undo.DestroyObjectImmediate(joint);
                         deleteObject(joint);
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs
deleted file mode 100644
index f7d67a89c..000000000
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs
+++ /dev/null
@@ -1,132 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UniGLTF.SpringBoneJobs.Blittables;
-using UnityEngine;
-using UniVRM10;
-
-
-namespace RotateParticle.Components
-{
-    [AddComponentMenu("RotateParticle/Warp")]
-    [DisallowMultipleComponent]
-    public class Warp : MonoBehaviour
-    {
-        public static BlittableJointMutable DefaultSetting()
-        {
-            return new BlittableJointMutable
-            {
-                stiffnessForce = 1.0f,
-                gravityPower = 0,
-                gravityDir = new Vector3(0, -1.0f, 0),
-                dragForce = 0.4f,
-                radius = 0.02f,
-            };
-        }
-
-        public enum ParticleMode
-        {
-            /// <summary>
-            /// Use BaseSettings 
-            /// </summary>
-            UseBase,
-            /// <summary>
-            /// Use specific settings
-            /// </summary>
-            Override,
-            /// <summary>
-            /// no animation
-            /// </summary>
-            Disabled,
-        }
-
-        /// <summary>
-        /// VRM10SpringBoneJoint に相当する
-        /// </summary>
-        [Serializable]
-        public class Particle
-        {
-            public bool useInheritSettings = true;
-            public BlittableJointMutable OverrideSettings = DefaultSetting();
-            public Transform Transform;
-
-            public BlittableJointMutable GetSettings(BlittableJointMutable baseSettings)
-            {
-                return useInheritSettings ? baseSettings : OverrideSettings;
-            }
-        }
-
-        [SerializeField]
-        public BlittableJointMutable BaseSettings = DefaultSetting();
-
-        /// <summary>
-        /// null のときは world root ではなく model root で処理
-        /// </summary>
-        [SerializeField]
-        public Transform Center;
-
-        /// <summary>
-        /// 枝分かれ不可
-        /// </summary>
-        [SerializeField]
-        public List<Particle> Particles = new();
-
-        [SerializeField]
-        public List<VRM10SpringBoneColliderGroup> ColliderGroups = new();
-
-        void Reset()
-        {
-            // Debug.Log("Warp.Reset");            
-        }
-
-        public void AddParticleRecursive()
-        {
-            if (transform.childCount > 0)
-            {
-                AddParticleRecursive(transform.GetChild(0));
-            }
-        }
-
-        public void AddParticleRecursive(Transform t)
-        {
-            Particles.Add(new Particle
-            {
-                Transform = t,
-            });
-            if (t.childCount > 0)
-            {
-                AddParticleRecursive(t.GetChild(0));
-            }
-        }
-
-        void OnValidate()
-        {
-            // TODO: 枝分かれを削除
-            // Debug.Log("Warp.OnValidate");
-        }
-
-        internal List<Warp> ToList()
-        {
-            throw new NotImplementedException();
-        }
-
-        public void OnDrawGizmosSelected()
-        {
-            Gizmos.DrawSphere(transform.position, BaseSettings.radius);
-
-            Transform prev = transform;
-            foreach (var p in Particles)
-            {
-                if (p != null && p.Transform != null)
-                {
-                    Gizmos.DrawWireSphere(p.Transform.position, p.GetSettings(BaseSettings).radius);
-
-                    if (prev != null)
-                    {
-                        Gizmos.DrawLine(prev.position, p.Transform.position);
-                    }
-                }
-                prev = p.Transform;
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/WarpRoot.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/WarpRoot.cs
new file mode 100644
index 000000000..e35ea9ee1
--- /dev/null
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/WarpRoot.cs
@@ -0,0 +1,223 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UniGLTF.SpringBoneJobs.Blittables;
+using UnityEngine;
+using UnityEngine.UIElements;
+using UniVRM10;
+
+
+namespace RotateParticle.Components
+{
+    [AddComponentMenu("RotateParticle/WarpRoot")]
+    [DisallowMultipleComponent]
+    /// <summary>
+    /// Warp の root にアタッチする。
+    /// 子孫の Transform がすべて登録される。 
+    /// </summary>
+    public class WarpRoot : MonoBehaviour
+    {
+        public static BlittableJointMutable DefaultSetting()
+        {
+            return new BlittableJointMutable
+            {
+                stiffnessForce = 1.0f,
+                gravityPower = 0,
+                gravityDir = new Vector3(0, -1.0f, 0),
+                dragForce = 0.4f,
+                radius = 0.02f,
+            };
+        }
+
+        public enum ParticleMode
+        {
+            /// <summary>
+            /// Use BaseSettings 
+            /// </summary>
+            Base,
+            /// <summary>
+            /// Use specific settings
+            /// </summary>
+            Override,
+            /// <summary>
+            /// no animation
+            /// </summary>
+            Disabled,
+        }
+
+        /// <summary>
+        /// VRM10SpringBoneJoint に相当する
+        /// </summary>
+        [Serializable]
+        public struct Particle
+        {
+            public Transform Transform;
+            public ParticleMode Mode;
+            public BlittableJointMutable Settings;
+
+            public Particle(Transform t, ParticleMode mode, BlittableJointMutable settings)
+            {
+                Transform = t;
+                Mode = mode;
+                Settings = settings;
+            }
+
+            public Particle(Transform t, BlittableJointMutable settings)
+            : this(t, ParticleMode.Override, settings)
+            {
+            }
+
+            public Particle(Transform t)
+            : this(t, ParticleMode.Base, DefaultSetting())
+            {
+            }
+        }
+
+        [SerializeField]
+        public BlittableJointMutable BaseSettings = DefaultSetting();
+
+        /// <summary>
+        /// null のときは world root ではなく model root で処理
+        /// </summary>
+        [SerializeField]
+        public Transform Center;
+
+        /// <summary>
+        /// 枝分かれ不可
+        /// </summary>
+        [SerializeField]
+        private List<Particle> m_particles = new();
+        public IReadOnlyList<Particle> Particles => m_particles;
+
+        [SerializeField]
+        public List<VRM10SpringBoneColliderGroup> ColliderGroups = new();
+
+        // uitool kit 向け
+        public List<TreeViewItemData<Particle>> m_rootitems;
+
+        // 逆引き
+        Dictionary<Transform, int> m_map = new();
+
+        void Reset()
+        {
+            m_particles = GetComponentsInChildren<Transform>().Skip(1).Select(x => new Particle(x)).ToList();
+        }
+
+        void OnValidate()
+        {
+            m_map.Clear();
+            for (int i = 0; i < m_particles.Count; ++i)
+            {
+                var p = m_particles[i];
+                if (p.Mode == ParticleMode.Base)
+                {
+                    p.Settings = BaseSettings;
+                    m_particles[i] = p;
+                }
+                m_map.Add(p.Transform, i);
+            }
+
+            m_rootitems = MakeTree(-1);
+        }
+
+        public List<TreeViewItemData<Particle>> MakeTree(int id)
+        {
+            List<TreeViewItemData<Particle>> items = new();
+            foreach (Transform child_transform in id==-1 ? transform : m_particles[id].Transform)
+            {
+                var child_id = m_map[child_transform];
+                var item = (child_transform.childCount > 0)
+                    ? new TreeViewItemData<Particle>(child_id, m_particles[child_id], MakeTree(child_id))
+                    : new TreeViewItemData<Particle>(child_id, m_particles[child_id])
+                    ;
+                items.Add(item);
+            }
+            return items;
+        }
+
+        public Particle GetParticle(int id)
+        {
+            return m_particles[id];
+        }
+
+        public void UseBaseSettings(Transform t)
+        {
+            if (t == null) return;
+            for (int i = 0; i < m_particles.Count; ++i)
+            {
+                var p = m_particles[i];
+                if (p.Transform == t)
+                {
+                    p.Mode = ParticleMode.Base;
+                    p.Settings = BaseSettings;
+                    m_particles[i] = p;
+                    break;
+                }
+            }
+        }
+
+        public void SetSettings(Transform t, BlittableJointMutable settings)
+        {
+            if (t == null) return;
+            for (int i = 0; i < m_particles.Count; ++i)
+            {
+                var p = m_particles[i];
+                if (p.Transform == t)
+                {
+                    p.Mode = ParticleMode.Override;
+                    p.Settings = settings;
+                    m_particles[i] = p;
+                    break;
+                }
+            }
+        }
+
+
+        // internal List<Warp> ToList()
+        // {
+        //     throw new NotImplementedException();
+        // }
+
+        public void OnDrawGizmosSelected()
+        {
+            Gizmos.DrawSphere(transform.position, BaseSettings.radius);
+
+            foreach (var p in Particles)
+            {
+                if (p.Transform == null || p.Mode == ParticleMode.Disabled)
+                {
+                    continue;
+                }
+                Gizmos.DrawWireSphere(p.Transform.position, p.Settings.radius);
+
+                if (TryGetClosestParent(p.Transform, out var parent))
+                {
+                    Gizmos.DrawLine(p.Transform.position, parent.position);
+                }
+            }
+        }
+
+        bool TryGetClosestParent(Transform t, out Transform parent)
+        {
+            var current = t.parent;
+            while (current != null)
+            {
+                if (current == transform)
+                {
+                    parent = transform;
+                    return true;
+                }
+
+                var index = m_map[current];
+                var p = m_particles[index];
+                if (p.Mode != ParticleMode.Disabled)
+                {
+                    parent = p.Transform;
+                    return true;
+                }
+            }
+            parent = default;
+            return false;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs.meta b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/WarpRoot.cs.meta
similarity index 100%
rename from Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs.meta
rename to Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/WarpRoot.cs.meta
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Jobs/RotateParticleJobSystem.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Jobs/RotateParticleJobSystem.cs
index 2f868d2d4..95f9e8004 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Jobs/RotateParticleJobSystem.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Jobs/RotateParticleJobSystem.cs
@@ -98,7 +98,7 @@ namespace RotateParticle.Jobs
             List<TransformInfo> info = new();
             List<Vector3> positions = new();
             List<WarpInfo> warps = new();
-            var warpSrcs = vrm.GetComponentsInChildren<Warp>();
+            var warpSrcs = vrm.GetComponentsInChildren<WarpRoot>();
             for (int warpIndex = 0; warpIndex < warpSrcs.Length; ++warpIndex)
             {
                 var warp = warpSrcs[warpIndex];
@@ -136,7 +136,7 @@ namespace RotateParticle.Jobs
                 var parentIndex = warpRootTransformIndex.index;
                 foreach (var particle in warp.Particles)
                 {
-                    if (particle != null && particle.Transform != null)
+                    if (particle.Transform != null && particle.Mode!=WarpRoot.ParticleMode.Disabled)
                     {
                         var outputParticleTransformIndex = GetTransformIndex(particle.Transform, new TransformInfo
                         {
@@ -144,7 +144,7 @@ namespace RotateParticle.Jobs
                             ParentIndex = parentIndex,
                             InitLocalPosition = vrm.DefaultTransformStates[particle.Transform].LocalPosition,
                             InitLocalRotation = vrm.DefaultTransformStates[particle.Transform].LocalRotation,
-                            Settings = particle.GetSettings(warp.BaseSettings),
+                            Settings = particle.Settings,
                         }, info, positions);
                         parentIndex = outputParticleTransformIndex.index;
                     }
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/ParticleList.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/ParticleList.cs
index 4b4e951e4..0fced8f4f 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/ParticleList.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/ParticleList.cs
@@ -12,7 +12,7 @@ namespace RotateParticle
         public List<RotateParticle> _particles = new();
         public List<Transform> _particleTransforms = new();
 
-        public Strand MakeParticleStrand(SimulationEnv env, Warp warp)
+        public Strand MakeParticleStrand(SimulationEnv env, WarpRoot warp)
         {
             var strand = new Strand();
 
@@ -24,7 +24,7 @@ namespace RotateParticle
             foreach (var particle in warp.Particles)
             {
                 var child_index = _MakeAParticle(joint, env, particle.Transform,
-                    particle.GetSettings(warp.BaseSettings).radius, 1);
+                    particle.Settings.radius, 1);
                 var child = _particles[child_index];
                 strand.Particles.Add(child);
                 joint.Children.Add(child);
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/RotateParticleSystem.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/RotateParticleSystem.cs
index 97ff35657..974b69426 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/RotateParticleSystem.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/RotateParticleSystem.cs
@@ -20,7 +20,7 @@ namespace RotateParticle
             Stiffness = 0.07f,
         };
 
-        readonly List<Warp> _warps = new();
+        readonly List<WarpRoot> _warps = new();
         readonly List<RectCloth> _cloths = new();
 
         public List<VRM10SpringBoneColliderGroup> _colliderGroups = new();
@@ -65,7 +65,7 @@ namespace RotateParticle
             RectCloth cloth,
             ParticleList list,
             List<(SpringConstraint, ClothRectCollision)> clothRects,
-            Dictionary<Warp, Strand> strandMap)
+            Dictionary<WarpRoot, Strand> strandMap)
         {
             for (int i = 1; i < cloth.Warps.Count; ++i)
             {
@@ -139,8 +139,8 @@ namespace RotateParticle
 
         async Task IRotateParticleSystem.InitializeAsync(Vrm10Instance vrm, IAwaitCaller awaitCaller)
         {
-            var strandMap = new Dictionary<Warp, Strand>();
-            var warps = vrm.GetComponentsInChildren<Warp>();
+            var strandMap = new Dictionary<WarpRoot, Strand>();
+            var warps = vrm.GetComponentsInChildren<WarpRoot>();
             foreach (var warp in warps)
             {
                 var strands = new List<Strand>();