I've got a set of these: Amazon.com: Kwik Tek SB-4 PWC Fenders 2 Pack (Black): Sports & Outdoors They work well if you are going to leave the ski for a while at the dock. I mount them at a slight angle to get more coverage. Only thing I don't like is that the bottom suction cup works too well, and can be a beeatch to get off when you pull away from the dock, because it ends up under the water line and is hard to reach..........it is considered bad form to fall off the ski while trying to remove your fenders.Thinks for the info! I guess my biggest concern is the "bumper". How do you tie them so they stay between the ski and the dock or do you use suction cups?