"Honey, take off your panties and slide down the banister" Like a good obedient wife, she obliged and mounted the banister. On the way down there was a long screeeeeech, and she landed on the floor. See? Didn't I tell you guys that its vertical, just like everybody else? The two scratched their heads in wonder. What does that prove, one asks? "If it were horizontal, the sound would have been, .....blub...blub....blub...blub.....................heheheeeeee