EFFECT: Imagine...a card is selected from a red-backed Bicycle deck and signed by the spectator. The card is freely shown both front and back and lost in the deck. The magician then introduces his sidekick Sharky (a blue-backed Bicycle card with a sticker of a card shark on the back). Suddenly, the blue card changes to red and Sharky has vanished. While humming the theme from the movie Jaws, the magician starts searching through the deck for the missing blue card. When the blue-backed card is found with Sharky on the back it is turned over and seen to be the spectator's signed selection. But that's not all...the card is also shown to have a corner bitten out of it.