Case of Mistaken Identity trick Sa

A card is selected and the magician reveals that he wrote a prediction on the underside of the card case. Unfortunately, the prediction is wrong! But, then just by rubbing the case against the selected card, the actual writing on the card case changes into the name of the selection! And the case can even be examined!

The perfect compliment to any card routine, this is something you will always carry with you. Comes complete with easy to use gimmick.