Leaf blower. I am 100% positive I am getting them out, my audi was perfect one coat of glanz wax and three washes later I could count 10+ swirls, long light scratches, from either the wash pad or a wipe down with V7. I am at my wits end with them, I am hoping that OPT will provide enough protection to at least allow me to wash without marring.
I pressure wash, foam, 2BM the whole works. My Black SM BMW still gets light marring only noticeable in direct sunlight at certain angles. It's very hard to see and impossible to see indoors. To fix it it have to wait for a sunny day, polish and pull it outside to see if in getting it. Unavoidable IMHO.
I wont know for sure until May 15th when school ends, then I will strip, polish, and OPT Coat both of my vehicles.