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+      objectReference: {fileID: 0}
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+      objectReference: {fileID: 0}
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+      propertyPath: m_LocalRotation.w
+      value: 1
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+      propertyPath: m_LocalRotation.z
+      value: -0
+      objectReference: {fileID: 0}
+    - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
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+      value: 0
+      objectReference: {fileID: 0}
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+      propertyPath: m_LocalEulerAnglesHint.y
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+      propertyPath: m_LocalEulerAnglesHint.z
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 6239624150586619727, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+      propertyPath: m_Name
+      value: crane_rail (2)
+      objectReference: {fileID: 0}
+    m_RemovedComponents: []
+    m_RemovedGameObjects: []
+    m_AddedGameObjects: []
+    m_AddedComponents: []
+  m_SourcePrefab: {fileID: 100100000, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+--- !u!4 &3296796757386593022 stripped
+Transform:
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+  m_PrefabInstance: {fileID: 7130923066677667569}
+  m_PrefabAsset: {fileID: 0}
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   m_ObjectHideFlags: 0
@@ -1519,6 +1914,68 @@ Transform:
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   m_PrefabInstance: {fileID: 7828192729895756803}
   m_PrefabAsset: {fileID: 0}
+--- !u!1001 &7864739229767107448
+PrefabInstance:
+  m_ObjectHideFlags: 0
+  serializedVersion: 2
+  m_Modification:
+    serializedVersion: 3
+    m_TransformParent: {fileID: 4727985827101367565}
+    m_Modifications:
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+      propertyPath: m_LocalPosition.x
+      value: 0
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+      propertyPath: m_LocalPosition.y
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
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+      value: 10
+      objectReference: {fileID: 0}
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+      propertyPath: m_LocalRotation.w
+      value: 1
+      objectReference: {fileID: 0}
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+      value: 0
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+      propertyPath: m_LocalEulerAnglesHint.z
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 6239624150586619727, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+      propertyPath: m_Name
+      value: crane_rail (1)
+      objectReference: {fileID: 0}
+    m_RemovedComponents: []
+    m_RemovedGameObjects: []
+    m_AddedGameObjects: []
+    m_AddedComponents: []
+  m_SourcePrefab: {fileID: 100100000, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+--- !u!4 &2455474693954545527 stripped
+Transform:
+  m_CorrespondingSourceObject: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
+  m_PrefabInstance: {fileID: 7864739229767107448}
+  m_PrefabAsset: {fileID: 0}
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 PrefabInstance:
   m_ObjectHideFlags: 0
@@ -1711,19 +2168,19 @@ PrefabInstance:
   serializedVersion: 2
   m_Modification:
     serializedVersion: 3
-    m_TransformParent: {fileID: 515232485336291104}
+    m_TransformParent: {fileID: 5508812383979352818}
     m_Modifications:
     - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
       propertyPath: m_LocalPosition.x
-      value: -9.460227
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
       propertyPath: m_LocalPosition.y
-      value: -0.323794
+      value: 0
       objectReference: {fileID: 0}
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       propertyPath: m_LocalPosition.z
-      value: 11.028467
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
       propertyPath: m_LocalRotation.w
@@ -1731,7 +2188,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
       propertyPath: m_LocalRotation.x
-      value: 0
+      value: -0
       objectReference: {fileID: 0}
     - target: {fileID: 5707947010695767055, guid: ce4446d7dfa691646b0cf7401874e9ba, type: 3}
       propertyPath: m_LocalRotation.y
diff --git a/Assets/Scenes/test_conveyor_belt_character.unity b/Assets/Scenes/test_conveyor_belt_character.unity
index bd35c55..da9a5fd 100644
--- a/Assets/Scenes/test_conveyor_belt_character.unity
+++ b/Assets/Scenes/test_conveyor_belt_character.unity
@@ -1658,10 +1658,6 @@ PrefabInstance:
       propertyPath: dropTarget
       value: 
       objectReference: {fileID: 1302384508}
-    - target: {fileID: 5468670891441072218, guid: cdb590802e3f6bd4db6d5eddce994501, type: 3}
-      propertyPath: m_ConnectedBody
-      value: 
-      objectReference: {fileID: 2048303034}
     - target: {fileID: 8361960510235702639, guid: cdb590802e3f6bd4db6d5eddce994501, type: 3}
       propertyPath: m_LocalPosition.x
       value: -69.1
@@ -1702,8 +1698,7 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
-    m_RemovedComponents:
-    - {fileID: 3963365815468376412, guid: cdb590802e3f6bd4db6d5eddce994501, type: 3}
+    m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []
     m_AddedComponents: []
@@ -2437,11 +2432,6 @@ MonoBehaviour:
     name: 
   rb: {fileID: 0}
   rotateAroundPoint: 0
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-Rigidbody:
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-  m_PrefabInstance: {fileID: 1472280155}
-  m_PrefabAsset: {fileID: 0}
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   m_CorrespondingSourceObject: {fileID: 4353896453404184, guid: c75e91cf060bbf04e89204fa400606df, type: 3}
diff --git a/Assets/Scripts/LineAttachEnd.cs b/Assets/Scripts/LineAttachEnd.cs
new file mode 100644
index 0000000..9cd4f64
--- /dev/null
+++ b/Assets/Scripts/LineAttachEnd.cs
@@ -0,0 +1,22 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class LineAttachEnd : MonoBehaviour
+{
+    public Transform anchor;
+
+    LineRenderer _line;
+    LineRenderer line { get { if (!_line) _line = GetComponent<LineRenderer>(); return _line; } }
+
+    private void Start()
+    {
+        line.useWorldSpace = true;
+    }
+
+    void Update()
+    {
+        line.SetPosition(0, transform.position);
+        line.SetPosition(1, anchor.position);
+    }
+}
diff --git a/Assets/Scripts/LineAttachEnd.cs.meta b/Assets/Scripts/LineAttachEnd.cs.meta
new file mode 100644
index 0000000..9589540
--- /dev/null
+++ b/Assets/Scripts/LineAttachEnd.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1cb77b9d79ad78c4d94f551335084d76
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/SlidingCrane.cs b/Assets/Scripts/SlidingCrane.cs
index 1c91185..b85b08c 100644
--- a/Assets/Scripts/SlidingCrane.cs
+++ b/Assets/Scripts/SlidingCrane.cs
@@ -44,7 +44,7 @@ public class SlidingCrane : MonoBehaviour
         yMotion.AccelerateTo(yTgt);
 
         float x = Mathf.Lerp(-xRange, xRange, xMotion.progress);
-        float y = yMotion.progress * yRange;
+        float y = yMotion.progress * yRange - 3;
 
         xMotion.Update(Time.deltaTime);
         yMotion.Update(Time.deltaTime);