(Dallas, Texas, U.S.)
THE EFFECT: You show a spectator a blister on your finger. You then rub it and it magically disappears!
THE SECRET: All you need for this trick is a key with a round hole at the top. Press this on your pointer finger for about 30 seconds.
Immediately after show the blister to a spectator, rub it with your thumb. It will quickly and magically vanish!