Airhead Tow Demon Boat Rope Tow Harness Airheads 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 California R