Can someone tell me what is strapped to the neck of Anders guitar just above the bone one this link

https://www.youtube.com/watch?v=cH99d_XtOag&list=RDvB8zPNRzSgQ&index=11

Is there something that can lift the high E, B, and G string from the neck of my Tele? Any insight would be greatly apprieciated. Thanks Joe