LeanTween reverse tween

Is it possible to reverse a tween? I am working on a wall running script and I can not make the camera go back smoothly it just snaps back.

Here is the code.

     if (isWallRunning)
     {

         if (leftRight.Equals("left") || leftRight.Equals("right"))
         {
             return;
         }

         if (leftHit.collider)
         {
             float direction = -1f;
             LTDescr rotateOut = LeanTween.rotateLocal(playerCam.gameObject, new Vector3(0, 0, 12.5f * direction), timeToSnap);
             leftRight = "left";
             _rb.useGravity = false;
         }

         if (rightHit.collider)
         {
             float direction = 1f;
             LTDescr rotateOut = LeanTween.rotateLocal(playerCam.gameObject, new Vector3(0, 0, 12.5f * direction), timeToSnap);
             leftRight = "right";
             _rb.useGravity = false;
         }
     }
     else
     { 
         if (leftRight.Equals("none"))
         {
             return;
         }

         if (leftRight.Equals("left"))
         {
             float direction = 1f;
             LTDescr rotateOut = LeanTween.rotateLocal(playerCam.gameObject, new Vector3(0, 0, 12.5f * direction), timeToSnap);
             //LeanTween.cancel(playerCam.gameObject);
             _rb.useGravity = true;
             Debug.Log("test left");
         }

         if (leftRight.Equals("right"))
         {
             float direction = -1f;
             LTDescr rotateOut = LeanTween.rotateLocal(playerCam.gameObject, new Vector3(0, 0, 12.5f * direction), -timeToSnap);
             //LeanTween.cancel(playerCam.gameObject);
             _rb.useGravity = true;
             Debug.Log("test right");
         }

         leftRight = "none";
     }

Can someone help?