Jib-boom
A spar that extends the bowsprit, used to increase the sail area forward of the vessel's bow. The jib-boom is usually made of wood or composite materials and is secured to the bowsprit by a variety of rigging, including stays and guys. It is used to carry additional sails, such as the flying jib or the jib topsail, and to provide a wider angle for the sheets of the jib and staysails. The jib-boom is an important component of a sailing vessel's rigging and is essential for maximizing the vessel's speed and maneuverability.
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