Airhead " Tow Demon" Boat Rope Tow Harness Airhead's Tow Demos are new higher strength floating rope versions of a classic and very popular water sports tow harness. The high impact molded plastic float/ pulley system allows for easy attachment of ski ropes, wakeboard ropes and tube ropes. Connect Tow Demon quickly and easily to boats with 2 large corrosion-resistant snap hooks. Recommended for recreational water skiing, wakeboarding, kneeboarding and towing 1 rider tubes. 8' Steel Cable