What Copperfield does, but most of us leave undone. The curtain at home you take publicity shots in front of. A good lover. A substance found in magician's ears when the conversation drifts away from themselves. Most magicians' patter.
Most magicians have one on stage.
A term used by dealers to fool magicians into buying a trick. Most 'self working effects' are way too difficult for the majority of magicians anyway. The author of 'The Expert At The Card Table' was S. W. Erdnase. A hollow imitation of the real thing. How much of the audience you can see when you put your hand above your eyes like a salute and peer out at them.