diff --git a/src/Arts.cs b/src/Arts.cs
index bb5ddeb..32a2474 100644
--- a/src/Arts.cs
+++ b/src/Arts.cs
@@ -46,8 +46,8 @@ static class Arts
         // Input.HandVisible(Handed.Max, false);
 
         // world
-        Matrix m4_dof = Mono.dof_pose.ToMatrix(Mono.dof_scl);
-        Hierarchy.Push(m4_dof);
+        // Matrix m4_dof = Mono.dof_pose.ToMatrix(Mono.dof_scl);
+        // Hierarchy.Push(m4_dof);
 
         // mesh test
         // meshes["Food"].Draw(
@@ -66,57 +66,35 @@ static class Arts
         //     Color.Hex(0x13180AFF).ToLinear()
         // );
 
-        //// dof
-        // design
-        float deadzone = 0.1f;
-        float strength = 3;
+        //// dofs
 
-        // input
-        // controls you can pick up (double grip to drop)
-        // if (!Mono.to_grab.Held)
-        // {
-        //     Pose to_pose = new Pose(
-        //         V.XYZ(0, 0, 0)
-        //     );
-        // }
-        // else
-        // {
-        //     to_pose = Rig.r_hld;
-        // }
-        // if (!Mono.from_grab.Held)
-        // {
-        //     Pose from_pose = new Pose(
-        //         to_pose.position + V.XYZ(0, 0, (deadzone + Maths.u_scalar(SKMath.Sin(Time.Totalf)) * deadzone))
-        //     );
-        // }
+        // stretch_cursor
+        {
+            Mesh.Cube.Draw(
+                mat_mono,
+                Stretch.to_grab.pose.ToMatrix(5 * U.cm)
+            );
+            Mesh.Cube.Draw(
+                mat_mono,
+                Stretch.from_grab.pose.ToMatrix(4 * U.cm)
+            );
 
-        // data
-        float stretch = 0.0f;
-        Pose cursor = new Pose();
+            Mesh.Cube.Draw(
+                mat_mono,
+                Stretch.cursor.ToMatrix(3 * U.cm)
+            );
+        }
 
-        // frame
-        Vec3 delta = Mono.to_grab.pose.position - Mono.from_grab.pose.position;
-        stretch = Maths.max(delta.Magnitude - deadzone, 0);
+        // reach cursor
+        // pos = trackedPoint
+        // if down
+        // pullPoint = pos
 
-        Vec3 dir = delta.Normalized;
-        cursor.position = Mono.to_grab.pose.position + dir * stretch * strength;
+        // stretch = distance(pullPoint, pos)
+        // dir = (pos - pullPoint).normalized
+        // cursor = pos + dir * stretch * 3
 
-        Mesh.Cube.Draw(
-            mat_mono,
-            Mono.to_grab.pose.ToMatrix(0.1f)
-        );
-        Mesh.Cube.Draw(
-            mat_mono,
-            Mono.from_grab.pose.ToMatrix(0.05f)
-        );
-
-        Mesh.Cube.Draw(
-            mat_mono,
-            cursor.ToMatrix(0.05f)
-        );
-
-
-        Hierarchy.Pop();
+        // Hierarchy.Pop();
 
 
         // particles
diff --git a/src/Data.cs b/src/Data.cs
index bb9e2f3..892ef1f 100644
--- a/src/Data.cs
+++ b/src/Data.cs
@@ -50,9 +50,6 @@ public class Grab
     {
         if (Held)
         {
-            Log.Info(held_by.palm.position.ToString());
-
-            // Apply position and rotation logic here
             pose.position = held_by.palm.position - pos_offset;
             pose.orientation = held_by.palm.orientation * ori_offset;
         }
diff --git a/src/Dofs.cs b/src/Dofs.cs
new file mode 100644
index 0000000..6fa7d65
--- /dev/null
+++ b/src/Dofs.cs
@@ -0,0 +1,32 @@
+using StereoKit;
+
+namespace dofdemo;
+
+static class Stretch
+{
+    public static Grab to_grab;
+    public static Grab from_grab;
+
+    // data
+    public static float stretch = 0.0f;
+    public static Pose cursor;
+
+    public static void Init()
+    {
+        to_grab = new();
+        from_grab = new();
+    }
+
+    public static void Frame()
+    {
+        Vec3 delta = to_grab.pose.position - from_grab.pose.position;
+        stretch = Maths.max(delta.Magnitude - deadzone, 0);
+
+        Vec3 dir = delta.Normalized;
+        cursor.position = to_grab.pose.position + dir * stretch * strength;
+    }
+
+    // design
+    static float deadzone = 0.1f;
+    static float strength = 3;
+}
\ No newline at end of file
diff --git a/src/Mono.cs b/src/Mono.cs
index d3b9ca7..79507d6 100644
--- a/src/Mono.cs
+++ b/src/Mono.cs
@@ -10,11 +10,8 @@ static class Mono
     public static int score;
 
     // to be wrapped in a dof base class
-    public static Pose dof_pose;
-    public static float dof_scl;
-    // custom inside data/class
-    public static Grab to_grab;
-    public static Grab from_grab;
+    // public static Pose dof_pose;
+    // public static float dof_scl;
 
     public static DeltaBool menu;
     public static Pose menu_pose;
@@ -36,10 +33,9 @@ static class Mono
         menu_scale = 1 * U.cm;
         mode = Mode.Mount;
 
-        dof_pose = new(0, 0, 0); // new(0, -1, -2);
-        dof_scl = 1.0f; // 0.1f;
-        to_grab = new();
-        from_grab = new();
+        // dof_pose = new(0, 0, 0); // new(0, -1, -2);
+        // dof_scl = 1.0f; // 0.1f;
+        Stretch.Init();
     }
 
     public static void Frame()
@@ -102,8 +98,8 @@ static class Mono
 
         Grab[] grabs = new Grab[]
         {
-            to_grab,
-            from_grab
+            Stretch.to_grab,
+            Stretch.from_grab
         };
         foreach (var grab in grabs)
         {
@@ -152,5 +148,7 @@ static class Mono
 
             grab.Frame();
         }
+
+        Stretch.Frame();
     }
 }