Hand Cuff w/ Key - Steel

The magician shows the Indian hand cuff. He then hands it over to a member of the audience for inspection.

Then the magician is hand cuffed. The key is kept by the spectator.

The performer moves only a few steps. Miraculously he is released of one of the cuffs.

Then he grasps one hand of the volunteer and locks their hand in the hand cuff. The volunteer and the performer and released be the key!