The performer introduces a scratch-off lottery ticket and twenty bucks, along with a bet. One of the squares on the scratch ticket is a winner, and the other three squares are losers. The audience can freely choose to scratch three spaces from any of the squares, and if they reveal the winning square, they get to keep the $20. Despite them having a genuinely free choice, you are always able to influence them so that the final square is the one you choose as the winner. You can even l...

The magician asks three spectators to assist him and shows them three note pads with the usual slot machines drawings in them. An envelope with a prediction is also introduced.Each assistant chooses one of the note pads and hangs it in front of his chest (using a cord attached to each pad).The magician asks the first two spectators to place his left arm on the shoulder of the one beside him, and asks the third spectator to extend his left arm in the air mimicking a slot machine lever.N...