1. A spectator selects a mini card, and returns it. The cards are inserted into the card box, which is then covered snugly by a frame.
2. Stab a metal blade through the center of the frame!
3. Although the blade undoubtedly penetrated through the case, the cards remain unharmed! Upon further examination, one card has a slice mark through its center - that card is none other than the spectator's selection!
All props can be examined by the audience at the end of your performance!