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This article is an excerpt from NauticEd’s online FREE Basic Sail Trim Course, an interactive online sailing course for beginner to intermediate sailors to learn the basics of sail trim. Or if you want to learn more, upgrade to the Skipper Course Bundle to become a competent sailor!

You can learn to sail and improve your sailing with NauticEd, the international leader in sailing education.

Sailboat Rigging and Some Nomenclature

Learning to sail can be a bit overwhelming at the start because of the nomenclature. But don’t worry it’s just a matter of learning a few at the start then adding to them as you progress in your sailing education.

The following illustration shows the parts of the sail and associated control lines. Of note is the bolt rope which is one of very few actual ropes on a boat (another is the bell rope). And note that you can use this information to win some decent size bets with many sailors because many are under the illusion that there are no ropes on a boat.

learn to sail

learn to sail

  • The bolt rope provides strength to the luff of the sail and is used also to slide into the track if there is one. On a head sail the bolt rope provides strength to the luff of the sail when “hanks” are used.
  • Hanks are basically sliding clamps that slide up the forestay and are clamped onto the bolt rope at the leading edge (luff).
  • The main halyard is attached to the head of the sail and is used to pull the sail up the mast.
  • The gooseneck is a swivel connection from the boom to the mast.
  • The reefing points are points where the sail can be pulled down in order to reef the sail if a roller furling system is not used.
  • The topping lift holds the back of the boom up.
  • The boom vang holds the boom down when beating to wind. On down wind legs the boom vang can be loosened to provide more shape to the sail.
  • The cunningham pulls the sail down tight and is used also when reefing.
  • The outhaul line is attached to the clew to pull the sail out along the boom.

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  • Grant Headifen

    My vision for NauticEd is to ensure that families and friends get out on the water not only safely but with true COMPETENCE, confidently savoring every moment of their valuable time.

    Achieving this means being the pinnacle of sailing and boating education—offering comprehensive multi-media theoretical instruction coupled with hands-on, on-the-water training through our global network of American National Standards Instructors. We steadfastly avoid becoming a mere certification mill; our focus is on delivering genuine competence, ensuring our students are well-prepared for enjoyable, real-world boating experiences.

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Last updated on June 25th, 2025