MAGIC ESP LOCK

WITH 5 KEYS FOR BEST PERFORMANCE!

EFFECTS:    A padlock with five keys is displayed, one of these keys opens the padlock, and the other four do not. A spectator is asked to freely choose four keys and leave the last one for the magician. The spectator fails to open the lock with his chosen keys, but the magician opens the lock with the remaining key. No matter how much the spectator tries none of the keys open it, only you can open it, they can even be holding the lock as you open it!