diff --git a/Assets/Physic_Materials/Slippery.physicsMaterial2D b/Assets/Physic_Materials/Slippery.physicsMaterial2D
index bac3a00..fa6ae07 100644
--- a/Assets/Physic_Materials/Slippery.physicsMaterial2D
+++ b/Assets/Physic_Materials/Slippery.physicsMaterial2D
@@ -8,4 +8,4 @@ PhysicsMaterial2D:
   m_PrefabAsset: {fileID: 0}
   m_Name: Slippery
   friction: 0
-  bounciness: 0
+  bounciness: 1
diff --git a/Assets/Physic_Materials/XNSlippery.physicsMaterial2D b/Assets/Physic_Materials/XNSlippery.physicsMaterial2D
new file mode 100644
index 0000000..059863f
--- /dev/null
+++ b/Assets/Physic_Materials/XNSlippery.physicsMaterial2D
@@ -0,0 +1,11 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!62 &6200000
+PhysicsMaterial2D:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: XNSlippery
+  friction: 1
+  bounciness: 0
diff --git a/Assets/Physic_Materials/XNSlippery.physicsMaterial2D.meta b/Assets/Physic_Materials/XNSlippery.physicsMaterial2D.meta
new file mode 100644
index 0000000..6032155
--- /dev/null
+++ b/Assets/Physic_Materials/XNSlippery.physicsMaterial2D.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 2c0538ecede9d3b43867ca45f72ba04b
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 6200000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scenes/SampleScene.unity b/Assets/Scenes/SampleScene.unity
index 24d20b1..64f08b3 100644
--- a/Assets/Scenes/SampleScene.unity
+++ b/Assets/Scenes/SampleScene.unity
@@ -291,9 +291,9 @@ GameObject:
   m_Component:
   - component: {fileID: 1174924377}
   - component: {fileID: 1174924376}
-  - component: {fileID: 1174924375}
   - component: {fileID: 1174924384}
   - component: {fileID: 1174924383}
+  - component: {fileID: 1174924375}
   - component: {fileID: 1174924382}
   - component: {fileID: 1174924381}
   - component: {fileID: 1174924380}
@@ -401,7 +401,7 @@ CapsuleCollider2D:
   m_GameObject: {fileID: 1174924374}
   m_Enabled: 1
   m_Density: 1
-  m_Material: {fileID: 0}
+  m_Material: {fileID: 6200000, guid: 1431532fb1c75214a9a8c9b1199fe80b, type: 2}
   m_IsTrigger: 0
   m_UsedByEffector: 0
   m_UsedByComposite: 0
@@ -417,7 +417,7 @@ CircleCollider2D:
   m_GameObject: {fileID: 1174924374}
   m_Enabled: 1
   m_Density: 1
-  m_Material: {fileID: 0}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_IsTrigger: 0
   m_UsedByEffector: 0
   m_UsedByComposite: 0
@@ -433,7 +433,7 @@ CircleCollider2D:
   m_GameObject: {fileID: 1174924374}
   m_Enabled: 1
   m_Density: 1
-  m_Material: {fileID: 0}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_IsTrigger: 0
   m_UsedByEffector: 0
   m_UsedByComposite: 0
@@ -449,7 +449,7 @@ CircleCollider2D:
   m_GameObject: {fileID: 1174924374}
   m_Enabled: 1
   m_Density: 1
-  m_Material: {fileID: 0}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_IsTrigger: 0
   m_UsedByEffector: 0
   m_UsedByComposite: 0
@@ -472,9 +472,9 @@ Rigidbody2D:
   m_LinearDrag: 0
   m_AngularDrag: 0.05
   m_GravityScale: 4
-  m_Material: {fileID: 6200000, guid: 1431532fb1c75214a9a8c9b1199fe80b, type: 2}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_Interpolate: 0
-  m_SleepingMode: 1
+  m_SleepingMode: 0
   m_CollisionDetection: 1
   m_Constraints: 4
 --- !u!114 &1174924383
@@ -490,7 +490,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_JumpForce: 700
-  m_CrouchSpeed: 0.36
+  m_CrouchSpeed: 1
   m_MovementSmoothing: 0.05
   m_AirControl: 1
   m_WhatIsGround:
@@ -498,7 +498,7 @@ MonoBehaviour:
     m_Bits: 8
   m_GroundCheck: {fileID: 1880458412}
   m_CeilingCheck: {fileID: 599368085}
-  m_CrouchDisableCollider: {fileID: 1174924378}
+  m_CrouchDisableCollider: {fileID: 0}
   OnLandEvent:
     m_PersistentCalls:
       m_Calls: []
@@ -530,6 +530,9 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   animator: {fileID: 1174924375}
+  top: {fileID: 6200000, guid: 1431532fb1c75214a9a8c9b1199fe80b, type: 2}
+  rigidbody: {fileID: 1174924382}
+  bottom: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   controller: {fileID: 1174924383}
   runspeed: 40
 --- !u!1 &1880458411
@@ -662,7 +665,7 @@ Rigidbody2D:
   m_LinearDrag: 0
   m_AngularDrag: 0.05
   m_GravityScale: 1
-  m_Material: {fileID: 6200000, guid: 1431532fb1c75214a9a8c9b1199fe80b, type: 2}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_Interpolate: 0
   m_SleepingMode: 1
   m_CollisionDetection: 0
@@ -676,7 +679,7 @@ BoxCollider2D:
   m_GameObject: {fileID: 2103537544}
   m_Enabled: 1
   m_Density: 1
-  m_Material: {fileID: 6200000, guid: 1431532fb1c75214a9a8c9b1199fe80b, type: 2}
+  m_Material: {fileID: 6200000, guid: 2c0538ecede9d3b43867ca45f72ba04b, type: 2}
   m_IsTrigger: 0
   m_UsedByEffector: 0
   m_UsedByComposite: 0
diff --git a/Assets/Scripts/PlayerControls.cs b/Assets/Scripts/PlayerControls.cs
index 8b21569..f566a4d 100644
--- a/Assets/Scripts/PlayerControls.cs
+++ b/Assets/Scripts/PlayerControls.cs
@@ -5,11 +5,16 @@ using UnityEngine;
 public class PlayerControls : MonoBehaviour
 {
     public Animator animator;
+    public PhysicsMaterial2D top;
+    public Rigidbody2D rigidbody;
+    public PhysicsMaterial2D bottom;
     public CharacterController2D controller;
     public float runspeed = 40f;
     float horizonatalaxis = 0f;
     bool jumping = false;
     bool crouching = false;
+    bool switchy = false;
+
     void Start()
     {
         
@@ -23,14 +28,23 @@ public class PlayerControls : MonoBehaviour
         jumping = Input.GetButton("Jump") || Input.GetAxisRaw("Vertical") > 0;
         crouching = Input.GetButton("Crouch") || Input.GetAxisRaw("Vertical") < 0;
         animator.SetFloat("Horizontal_speed", horizonatalaxis);
+        switchy = Input.GetButton("Switch");
+        if (switchy){
+            transform.rotation = new Quaternion(0f, 0f, 180f, 0f);
+            rigidbody.sharedMaterial = top;
+        }
+        else {
+            transform.rotation = new Quaternion(0f, 0f, 0f, 0f);
+            rigidbody.sharedMaterial = bottom;
+        }
         
     }
 
     public void crouchingx(bool stat){
-        animator.SetBool("Crouching", stat);
+        //animator.SetBool("Crouching", stat);
     }
     void FixedUpdate(){
-        controller.Move(horizonatalaxis  * runspeed * Time.fixedDeltaTime, crouching, jumping);
+        controller.Move(horizonatalaxis  * runspeed * Time.fixedDeltaTime, false, jumping);
 
     }
 }
diff --git a/ProjectSettings/InputManager.asset b/ProjectSettings/InputManager.asset
index a3c867d..ff328fe 100644
--- a/ProjectSettings/InputManager.asset
+++ b/ProjectSettings/InputManager.asset
@@ -69,6 +69,22 @@ InputManager:
     type: 0
     axis: 0
     joyNum: 0
+  - serializedVersion: 3
+    m_Name: Switch
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: e
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 1000
+    dead: 0.001
+    sensitivity: 1000
+    snap: 0
+    invert: 0
+    type: 0
+    axis: 0
+    joyNum: 0
   - serializedVersion: 3
     m_Name: Mouse X
     descriptiveName: