Just as the name promises, this move has you place a sponge ball into your closed fist. But this 'In' Move has no out counterpart.
You start with two sponge balls. You hand one to a spectator and place the other in your pocket for safe-keeping. Or maybe you didn't, because when the spectator opens their hand... what's there? Both of the sponge balls.
After you learn this fantastic move, you'll literally be up to your neck in sponge balls. So much so you'll be giving as many of them away as you can!
By the count of ten, you'll have yourself an impressive little sponge ball routine that'll delight your audience. Ready? 10, 9, 8...