North calf leashCoiled 7mm thick calf leash provides secure connection to your foilboard. The comfortable, no slip calf cuff helps keep the cord above the water, reducing drag and tangles with your foil system. Features Coiled calf leash keeps cord above water to reduce drag Lightweight neoprene calf cuff with stretch resistant TPU top layer Comfort cuff lining and silicon inner grip to reduce slipping Double SS316 swivels reduce tangles Easy grab finger tab for fast