Gravity thread XL comes with 1500 feet (450 meters) of the finest pre-tripped monofilament thread available in the market

which you mix again

When all this has finished the magician shows his hands empty

In the included video instructions

Lightweight: A spectator takes a random packet of cards

Skullkracker | Bob Sheets - (DVD) Carroll Gravity thread XL comes withA Trauma Inducing Denomination Transmutation The best way to KILL a spectator without going to Jail Most skulls get cracked getting whacked from the OUTSIDE with immense force. Skullkracker is so visually stunning that it causes the spectator's brain to explode thus causing the skull to crack from the INSIDE! For decades Mike Koslowski's "One Hundred Dollar Bill Switch" was the standard way magicians changed a one dollar bill into a one hundred dollar