The spectator selects a card, and the performer tries to guess the card. After some concentration, he writes down a card on a Post-it ...it's not the chosen one. But, the magician gives it a shake, and visually, the writing on the post-it changes to reveal the correct card! The note is peeled off and given out as a souvenir!
Metamorpost-it is a gimmick that can be used for several effects. Visually, make a predictions change.
Points to remember: