Pocket Writing

Obviously one person in the room realizes you have divined their thoughts at which point you go into the audience and locate that very person

Many magicians recognize the power of a memorized deck

It is a little weak regarding angles

Magnetic Card- Bicycle Cards (2 Per Package) Double Back Red | Chazpro App Pocket WritingThe magnetic card can be used for a variety of cards and effects coin. A double thick card that looks like a single card when handled properly, even up close. It contains a very thin and powerful magnet that will easily hold steel core quarters and half dollars, or magnetic coins and shell coins. One effect is this: The card covers the mouth of a drinking glass. A coin is borrowed and tapped against the card and it visually penetrates the card and