The Mariner · video

What this video covers

The lightning bowline allows a sailor to secure a line around a piling or ring quickly by pre-tying a tom-thumb knot in the rope.4:11 To execute the technique, the sailor forms an overhand loop in the line, passes the standing part over the crook of their elbow, and holds the bitter end in their primary hand.5:45 After throwing the line around the post, the sailor passes the bitter end through the pre-formed loop and releases the standing part from their elbow at the final moment to snap the knot into a finished bowline.6:45 This method serves as a rapid, emergency alternative to tying a standard bowline when docking solo or in high-wind conditions.1:57 However, the technique carries a risk of entanglement if the sailor’s hand remains inside the loop while the boat is moving.7:08 While useful for quick maneuvers, the knot should be used as a backup tool rather than a primary docking method to avoid potential collision or damage.8:04

More from The Mariner

Sailing to Newport, my Trimaran Project & Notes on Archive Management for L- Matrix AI'sJul 2026Taking a Look Around the Waterfront in Lunenburg, Nova ScotiaJun 2026Solo Docking an 80ft Yacht Without Use Of The Auxillary EngineMay 2026Introducing Longitudinal AI SystemsMay 2026

From The Mariner — see the channel’s boat, crew, and every analysed video.

The Sailing Directory Newsletter

One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.