Semi-Automatic Weapons Chapter 5:
A pendulum is introduced. A deck of cards is shuffled by a spectator. The deck is then taken under the table, and the spectator cuts off a small packet of cards and secretly counts the number of the cards. That packet is given to another spectator so that they also know the secret number. The spectator looks at the card in the deck at the number they have remembered. The original packet is put back on top of the deck, and the cards are cut a number of times. The magician divides the deck into two packets, and the magician uses the power of the pendulum to divine which packet the