"It's not for the beach." Senku answered, using his teeth to pull the knot tight and then he proceeded to tuck the cloth into what was already wound around his forearm.

"It's just for whatever else I find to do. Anything that requires lifting or force..." He tried to think of how to explain it. "You know how weight lifters will brace their wrists? Like that, except I sure as hell am not a weight lifter."