Effect The magician clearly has three one dollar bills and magically, one
disappears leaving the two left untouched, right before the audiences baffled
eyes!
Preparation Secretly take out of your pocket/purse and fold it over about
two thirds across, take the other bill and place it over the crease of the
fold hiding the fold from [...]

How it looks: While on the phone, ask someone to do the following: Pick a number between one and ten. Multiply it by nine. Add both digits of the product together. Subtract five from that sum. Have the spectator concentrate on this number. Now have him choose the letter from the alphabet that corresponds with [...]