get_child
Description:
Gets the child node that is getting clipped by the given this.
Parameters:
| this | 
           a clip   | 
      
Returns:
| 
           The child that is getting clipped  | 
      
Gets the child node that is getting clipped by the given this.
| this | 
           a clip   | 
      
| 
           The child that is getting clipped  |