Finding one person's chosen card is hard enough... finding two people's chosen cards, which they haven't even drawn or said aloud? Impossible! Isn't it?
In only an instant you'll snap your spectator's card, making it reveal itself from the place it's hiding within the deck. Even while holding the deck behind your back.
Now it's time to learn how a move that will make any spectator pick any card of your choosing... and it's completely self-working. No sleight of hand needed for this force.