Echo (Gimmicks and Online Instructions) by Curtis Kam - TrickVisual. Audible. Tactile. Inconceivable. Echo is a professional performance piece that Curtis Kam has featured in his close up, parlor, and stand up shows in Hawaii, at the Magic Castle, and at magic conventions all over the world. Purpose built to make every moment crystal clear and engaging, Echo draws amazing responses from the onstage participant, and then from the crowd. Someone from the audience inspects five coins, each a different color,