Keeps oar anchored to boat Thirty-inch Polypro strap The Oar Tether gives you a fighting chance to get that oar back in place in time to avert disaster Stainless steel ring on one end and a webbing loop on the other end of the Tether Loop either the ring end or webbing end around the frame or oar mount NRS Oar Tethers - The NRS Oar Tethers keep your oars anchored to the boat if they pop off the oarlock or pin. During an unexpected release from your pin or oarlock, these 30-inch polypro straps give you a fighting chance to get the oar back in before the next wave.