Bowline

A type of knot used to form a fixed loop at the end of a rope, commonly employed in maritime settings for securing or towing.

The bowline is one of the most widely used and trusted knots in the maritime world due to its reliability and ease of untying, even after being subjected to a heavy load. It is often called the “king of knots” because of its versatility and strength. The knot creates a secure, non-slip loop that does not tighten under strain, making it ideal for securing a line to a post, attaching sails to rigging, or forming a loop for towing. Despite its strength, the bowline is relatively easy to untie, even under significant tension, which is one of the reasons it is so valued in marine environments.

To tie a bowline, a common mnemonic is “the rabbit comes out of the hole, goes around the tree, and back into the hole,” which helps sailors remember the sequence of steps. While the knot is strong, it is unsuitable for all situations, particularly those involving dynamic or shifting loads, as it can loosen under constant movement. However, for static loads or where a stable loop is required, the bowline remains a go-to knot for sailors and mariners alike. Its simplicity, effectiveness, and ease of untying make it indispensable on board any vessel.