Much like its cousin, the baseball cap, the baseball bat seems pretty simple, at first glance. Take a reasonably cylindrical piece of wood, taper it as necessary, put a little nub on the end so your hands don't slip off, and swing. Hit the ball too low, and you'll pop it up.
Welcome to Patentspin. I'll use this space to take a look at some strange or interesting patents related to the world of sports. I will then, probably, make fun of them.