Performer introduces a cabinet, with a cut out top and front, and a sliding panel to cover the front. The front is covered, and a rod placed through the 2 slots on the sides of the cabinet. A ring is now dropped into the cabinet. The front panel is removed, and the ring is seen to have penetrated onto the center of the rod.
Made in Wood, the apparatus measures approximately 5.5″ square and 8″ high.