Description
Unlock the front clip, open the box and place any borrowed item that will inside the box, close the box and lock the clip. The box is then handed over to the spectator to take back his borowed item. But to the spectators suprise they cannot open the box. They unlock the front clip, but still cannot open the box. No matter how many times they try, they will always fail to open the box, that is until they know the secret
