NRS Inflatable Kayak Thigh Straps One Size A simple strap loop, that is plenty long enough to attach to the self bailers in case you don't have D-rings, along with bomb proof cam buckles make attaching thigh straps to your boat a piece of cake The one piece design ensures that pieces don't get lost and it's easy to use NRS heavy duty cam buckles, with their dual springs and 2000 lbs rating, give you easy reliable adjustability