We take inspiration from boogie boards .
We think , coiled leg - ropes featured a spring - like design -- the theory being that they offered the same flexibility and protection , yet at only a foot or so long were much less cumbersome .
Taking inspiration from boogie boards , we think , coiled leg - ropes featured a spring - like design -- the theory being that they offered the same flexibility and protection , yet at only a foot or so long were much less cumbersome .