The tongue coupler is with the entrance on the tongue. This coupler matches above the ball on the trailer hitch. There is a lever on top of the coupler that locks and releases the coupler clamp. Some shorter tandems may also be paddled with just one paddler, but for best https://buy-tandem-kayak-online20505.bloggip.com/32601030/the-smart-trick-of-kayak-trailers-for-sale-that-nobody-is-discussing