[George W. Bush]

I don't think they do. I don't.

Of balls and walls, I have both. I don't grasp how the two are supposed to interact. Perhaps I'm just not adventurous enough.

[xzins]

Of balls and walls, I have both.

Get out of the flesh there, brother. :>)

Think of the throttle with a ball on the end going up to the firewall on WWII aircraft.

All the way forward = maximum speed.

Cars....stick shift with ball on top, 5th gear, firewall....balls to the wall.