Now that you've picked out the perfect tube, don't t forget to get all the other items you need to enjoy it! Nothing is worse than an under inflated tube, nothing is more dangerous than a worn out tow rope, and nothing is more frustrating than not having enough room on the boat. Airhead tube accessories will help you solve all these problems and help keep you safer on the water.Designed for up to 5 rider towables, this harness keeps those heavy loads towing directly behind the boat. Simply clip the harness to the two stern eyes, attach the tow line and get ready for the action to begin!. 5,000 tensile strength. 12' long.