The magic key that turns on its own. A large mortice key slowly turns over in your hand or in the hand of the spectator.

Novelty pencil sharpener which also fires elastic bands

The magician displays a very old looking silver key in his hand and starts to move the teeth completely around the shaft of the key. Then the teeth are moved up and down the shaft. The spectator cannot move the teeth, they are stuck where the magician left them.