I don't use one, but I have read that they can do as much harm as good. Some say not to use them at all. It seems the major problem with them is the wind moving them and rubbing the finish off the trailer.
I don't use one, but I have read that they can do as much harm as good. Some say not to use them at all. It seems the major problem with them is the wind moving them and rubbing the finish off the trailer.