MODERN HANK BALL MANIPULATION The handkerchief ball is a powerful gimmick, when you know how to use it properly. This program teaches you everything you need to know about the use of a modern metal hank ball. On This Download you will learn – How to use the hank ball for silk Productions, Vanishes, and Changes! You will see how to secretly transfer the Hank Ball from hand to hand. Learn 20th Century silk effects, complete routines and even how to use the hank ball with Sponge Balls. This is volume three on the series of “The Secrets of Silk Magic” By Duane laflin.