Any chance on the 20 being the cool move from Art of the Saber when the double-bladed guy spins his saber behind his back while bending and then continues to the over-the-head spin. I would really like to see a how-to on the first part of the move.
Also when he moves the saber around his neck with left hand, turns around, and it looks like he lets go of the saber entirely then finishes the turn and cathes it with his right hand.