I upgraded the main sail track with Tides Marine Slide and Track system when I replaced the main on S/V Fidelity, a Jeanneau Sun Odyssey 45.2 offering charter vacations in the Virgin Islands. Very pleased with the ease of raising and lowering the main.
By replacing luff tape on a headsail luff and slugs on a mainsail luff, Kiwi Slides provide 50% less friction when hoisting or lowering the sail. Makes sail changes easier and safer.
Long small-print page covering sail design, making, and handling questions and Neri's often useful answers. Search for your keywords within the file or just browse through it.
Description and illustration of a set of lazy jacks that can be pulled away from the sail when raising or sailing to avoid catching and friction.