As an old timer in the car wash industry I was talking to a fellow old timer and the topic of brushes (bristles) came up. Since it seems like our industry is good at recycling methods - top brushes, flowing wax arches, high foaming prep arches, etc - we posed the idea that maybe it is time to bring back the old bristle type brushes. We all know that almost all claims of damage by bristles were bogus. Problems with cleaning or damage was more related to the lack of proper maintenance and use of the wrong soaps or lack of using any soaps to lubricate at all. Anyone that has seen a properly maintained and operated friction equipment with bristles knows that this type of media does an exceptional job of cleaning and getting into nooks and crannies that today's cloth or foam cannot. They are also much quieter than cloth or foam slapping on the vehicle which has become more of a concern with the vast majority of customers now riding inside the vehicle during the wash process. In addition advancements in the bristle material would enhance their performance. While it was just a thought I am relatively sure no manufacturer would seriously consider this but it was something that was interesting to ponder.