Yeah, you wet sand, but you only do that once. People have been convinced that they need to clay bar every month and they simply do not. It does take off a bit of the clear. A very very very very small amount, but still more than not doing it at all. I'm with Larry.
http://www.carcareonline.com/viewarticle.aspx?art=0
BTW, Eraser, it looks like I have to be out of town this weekend, so if you want to do it this weekend I can't help you