D.M. asks: “I have watched (on video) a girl doing amazing floorwork while sitting [where she] can make her butt muscles bounce individually and together in short pulses.  It looks amazing and [I] wonder how it is done?”  First let me put every BUTT at ease.  If you have an ass, you can booty pop it. Small, big, round, flat, muscular, or wiggly–It doesn’t matter.  As you know, I have strong convictions about the power of your awesome ass.  So don’t even think about using it’s size or shape as an excuse. Second, let me say that the way I explain, teach, & perform booty popping may be totally different…