Quote Originally Posted by 'wolpak',index.php?page=Thread&postID=194565#post1 94565
Think of it as two spinning wheels one inside the other. The outter one stops and is a certain shape and the middle one spins until it find that shape and it then passes through. Not sure if that really made good sense either...hmmm.
I'm sorry, but I had to laugh IRL at that one.

Think my head asplode from that description. :P