It's great! It's a saucer-shaped balance ball that you stand on. Has a flat base and it's inflated about 10 inches above ground.
But I'll bet Yoda hasn't tried it in cowboy boots yet. I think I have the honor of being the first.
There are things you do in cowboy boots, Bagger. And there are things you don't do. Swinging on a BOSU® is one of those 'don't do' things.