Interchange (Gimmicks and Online Instructions) by Gary James"This is a real little gem of an item that you could always carry with you. It is well made and won't fail you. I love this because it is something your audience can recognize and has an impromptu feel about it." Paul Romhany, *Reviews Vanish Magazine Finally a key ring you will carry with you everyday! An object to impossible location, you can use cards, coins, billets, predictions etc. Make things vanish or appear in a split second. Each keyring is