Dock Edge Economy Mooring Whips 8ft 2000 LBS up to 18ft [DE3100F]Mooring Whips The practical alternative to marine railways, davits and lifts, these fiberglass Mooring Whips are exceptionally strong, attractive and do not obstruct your waterfront view. Each Whip mounts with a durable cast aluminum base with built in cleat. These quality Mooring Whips act as a spring to maintain your boat at a safe convenient distance away from your dock to prevent impacts caused by waves or the wakes of other passing watercraft.