The basic design of a snap hook consists of a spring-loaded gate that can be opened and closed. The gate is typically made from a strong and durable metal, such as stainless steel, and is shaped like a hook. The hook is attached to a body, which is typically made from the same type of metal as the gate. The body can be designed in a variety of shapes and sizes, depending on the intended use of the snap hook.
One of the main advantages of a snap hook is that it can be quickly and easily attached to a wide variety of objects. For example, in fishing, a snap hook can be attached to a fishing line to allow for easy baiting and casting. In climbing, snap hooks can be used to attach a rope to a harness or to secure a safety line. And in sailing, snap hooks can be used to attach a sail or rigging to a boat.