18 is against a punch. This is a little more technical. At this point, you're an upper belt and you've developed quite a bit of steel. So this one is going to be off a circle block. So we've found a bunches, a circle block. Now, the circle block, the hand that's still on, grabs. You freehand, you're going to reach under, back this. Reach behind the head, and where the head goes, the body goes. Pull it underneath the arm. Now you've got it in a whole step back. Pull this guy down with you. Turn it like you would a faucet. Up on the back, you've got the opponent there.