Switch-A-Roo
Mason, Mark
MJM Magic
(Based on 2 reviews)
With Switch-A-Roo you can switch prediction cards or envelopes; exchange regular cards for gimmicked cards. Right under the spectators' noses. Imagine changing four Kings into four Aces. Visually changing blank business cards into printed business cards. Switch-A-Roo can do it.
Two cards are selected. One is signed and placed in the deck. The other is placed so that it extends from your shirt pocket. The card sticks well above the pocket. It never leaves the spectators' sight. Snap your fingers. The two cards, including the signature, change place.