In advanced three-ball juggling, behind-the-back, blind start multiplexes is simply holding three balls in an upside down triangle, only behind the back. Juggle multiplexes with a behind-the-back blind start with three balls with tips from a professional juggler in this free video on hobbies.

Expert: Joe Nelson
Bio: Joe Nelson is a professional juggler living in Concord, NH. He was the 1998 Colorado Juggling Champion.
Filmmaker: Christian Munoz-Donoso