This boat load-assist product is simple, yet ingenious. The BoatLoader?s extendable arm slides out from inside your Yakima crossbar so you can effortlessly load kayaks and canoes solo, and more than makes up for any lack of strength after an exhausting day of paddling. -Telescoping boat load-assist arm retracts into your Yakima crossbar -Protects kayaks, canoes and your car from dings, scratches and dents -Corrosion-resistant -Fits Yakima round crossbars only