Designed specifically for bass, pontoon, and wake boats, the Dock D-Fender offers great protection and more peace of mind when it comes to docking your boat, or rafting up with friends. Quick and easy to attach, the Dock D-Fender acts as a spacer between your boat and the dock, or your boat and another boat. It's patent pending design also allows for up and down rocking with minimal forward and backward motion from wake and wind.