diff --git a/ProtoFlux/Interaction/FindGrabbableFromSlot.cs b/ProtoFlux/Interaction/FindGrabbableFromSlot.cs
new file mode 100644
index 0000000..ee40b6f
--- /dev/null
+++ b/ProtoFlux/Interaction/FindGrabbableFromSlot.cs
@@ -0,0 +1,19 @@
+using FrooxEngine;
+using ProtoFlux.Core;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Users.Avatar
+{
+    [ContinuouslyChanging]
+    [NodeCategory("ProtoFlux/Obsidian/Avatar")]
+    public class FindGrabbableFromSlot : ObjectFunctionNode<ExecutionContext, IGrabbable>
+    {
+        public readonly ObjectInput<Slot> Slot;
+
+        protected override IGrabbable Compute(ExecutionContext context)
+        {
+            Slot slot = Slot.Evaluate(context);
+            return slot == null ? null : slot.GetComponentInParents<Grabbable>();
+        }
+    }
+}
\ No newline at end of file
diff --git a/ProtoFlux/Slots/CreateEmptySlot.cs b/ProtoFlux/Slots/CreateEmptySlot.cs
new file mode 100644
index 0000000..4767bfd
--- /dev/null
+++ b/ProtoFlux/Slots/CreateEmptySlot.cs
@@ -0,0 +1,33 @@
+using FrooxEngine;
+using FrooxEngine.ProtoFlux;
+using ProtoFlux.Core;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Users.Avatar
+{
+    [ContinuouslyChanging]
+    [NodeCategory("ProtoFlux/Obsidian/Slots")]
+    public class CreateEmptySlot : ActionBreakableFlowNode<FrooxEngineContext>
+    {
+        public readonly ObjectInput<Slot> Parent;
+        public readonly ObjectInput<string> Name;
+        public readonly ObjectInput<string> Tag;
+        public readonly ValueInput<bool> Persistent;
+        public readonly ValueInput<bool> Active;
+
+        public readonly ObjectOutput<Slot> Slot;
+
+        protected override bool Do(FrooxEngineContext context)
+        {
+            Slot slot = context.LocalUser.LocalUserSpace.AddSlot();
+            slot.Parent = Parent.Evaluate(context);
+            slot.Name = Name.Evaluate(context);
+            slot.Tag = Tag.Evaluate(context);
+            slot.PersistentSelf = Persistent.Evaluate(context);
+            slot.ActiveSelf = Active.Evaluate(context);
+
+            Slot.Write(slot, context);
+            return true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/ProtoFlux/Users/Avatar/AvatarRootSlot.cs b/ProtoFlux/Users/Avatar/AvatarRootSlot.cs
new file mode 100644
index 0000000..e186e32
--- /dev/null
+++ b/ProtoFlux/Users/Avatar/AvatarRootSlot.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using FrooxEngine;
+using FrooxEngine.CommonAvatar;
+using ProtoFlux.Core;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Users.Avatar
+{
+    [ContinuouslyChanging]
+    [NodeCategory("ProtoFlux/Obsidian/Avatar")]
+    public class AvatarRootSlot : ObjectFunctionNode<ExecutionContext, Slot>
+    {
+        public readonly ObjectInput<User> User;
+
+        protected override Slot Compute(ExecutionContext context)
+        {
+            User user = User.Evaluate(context);
+            Slot slot = user.Root.Slot;
+            List<AvatarRoot> list = new List<AvatarRoot>();
+            slot.GetFirstDirectComponentsInChildren(list);
+            return user == null || list.Count == 0 ? null : list[0].Slot;
+        }
+    }
+}
\ No newline at end of file
diff --git a/ProtoFlux/Users/Status/IsUserInSeatedMode.cs b/ProtoFlux/Users/Status/IsUserInSeatedMode.cs
index 8ecd617..eadbbd9 100644
--- a/ProtoFlux/Users/Status/IsUserInSeatedMode.cs
+++ b/ProtoFlux/Users/Status/IsUserInSeatedMode.cs
@@ -2,10 +2,10 @@
 using ProtoFlux.Core;
 using ProtoFlux.Runtimes.Execution;
 
-namespace FrooxEngine.ProtoFlux.Locomotion
+namespace FrooxEngine.ProtoFlux.Status
 {
     [ContinuouslyChanging]
-    [NodeCategory("ProtoFlux/Obsidian/Locomotion")]
+    [NodeCategory("ProtoFlux/Obsidian/Status")]
     public class IsUserInSeatedModeNode : ValueFunctionNode<ExecutionContext, bool>
     {
         public readonly ObjectInput<User> User;