"Just enough to trick our golden retriever." The magic tricks came in handy while training Aubrey, with the puppy relaxing whenever Perez performed a sleight-of-hand. "She loves them now.

In the video, Simchi is shown holding a glowing ball in his hands, making it disappear and reappear from hand-to-hand and pretending to snatch it out from under a young and awe-struck patient's chin.