Gnavs (or upside-down, reverse thrust vang systems) are becoming ever popular on both racing and recreational boats due to the huge gain in cockpit space by removing the conventional kicker. The Seldén gnav system was ahead of its time and is the only production gnav solution on the market. Lightweight, efficient and very strong, it can also be used on lower loaded boats with a side fix to allow for a mainsail hoist position immediately above the gooseneck. (see below, new design for 2004)