Ask again(or search this topic) on the MH board, because they usually are seen on MH's. I have read posts from users of these brush type guards kicking up gravel and actually increasing rock chips on TT's and towed vehicles by dragging on the center hump of gravel in most roads. I have no personal experience though.
2000 Winnebago Ultimate Freedom USQ40JD
, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert theConstitution. "Abraham Lincoln"