Using the Sea To Summit hook accessory strap is easy. First, find the item you want to attach, like a dry bag or other gear. Then, use the quick - release hook buckle to secure it to your sea kayak, raft, pack, touring bike, or roof rack. When using it, make sure the buckle is firmly fastened to prevent the gear from falling off. To maintain this strap, after each use, simply clean it with a damp cloth to remove dirt and debris. Store it in a dry place to avoid rusting of the aluminum buckle. With proper use and maintenance, this accessory strap will serve you well for a long time.