Two brass nuts of identical size are shown. One of them is handed over to a spectator and the other is held by the performer. The performer then asks the spectator to shake the nut by holding it between his thumb and index finger and so does the performer. After this action, the performer then again compares the size of the two nuts but magically , the one with the performer has shrunk to a smaller size than the one with the spectator.
Easy to perform. Comes with video tutorial.
High quality gimmicks made of brass.