Rear Rock Guards...An Interesting Observance Today

gbopp wrote:
That's a very interesting observation. I'll have to watch next time I'm driving in the rain.
I wonder if anyone has a 'scientific' explanation why this happens?

Not very "scientific" but an explanation. With the flap mounted where it almost touches the ground, it sets up a shock wave in front of it and that will actually pick up rocks, dirt, etc. and get it bouncing on the ground. The junk will bounce out from under the coach and go no telling where, usually on the toad.