A pelican hook is a type of fastening mechanism often used in maritime and sailing applications. It consists of a hinged hook with a sliding locking ring, allowing for quick and secure attachment of lines, cables, or chains. The design of the pelican hook ensures that it can be easily opened and closed, even under tension, making it a versatile and reliable tool for securing various types of rigging on a boat or ship. This type of hook is commonly used in tasks such as securing lifelines, attaching sails, or connecting heavy-duty towing lines. The pelican hook's robust construction and simple operation make it an essential component for ensuring the safety and stability of a vessel at sea.