Originally Posted by HavocSteve
I usually grab the brush and pressure wash it at the place before turning the soap on which works pretty good and has never scratched the cars yet.
Maybe you've been lucky, but I find this hard to believe. It's almost a guarantee you'll get fine scratches swirls that will show up in bright sunlight if you use those brushes. Before I had a house I would bring my own bucket to the coin wash even though most of them don't allow it.