Imposible Divination (Gimmicks and DVD) by Henry Evans and Alex NeburHenry Evans
A magician shows 3 different cards. A spectator thinks of one of these three, and immediately the magician knows which one is the selected card - in fact, the magician is found holding up the card the spectator had merely thought of!
No force, Always free choice!!!
You receive something special, with explanations in DVD.