Ever heard of this? It protects your boat from damage.

 

Check it out! http://www.towtector.com/index.cfm?ptype=results&category_id=23&mode=cat&ref=b3

 

Never heard of them, but have seem them on the highway on tow vehices pulling campers.

Great protection for gravel roads. If you buy one make sure your exhaust does not discharge into the brushes as the heat will melt them.

One of our pro staffers was sponsored by them several years ago.  They never caught on around here.