Things to know before you buy an in-mast furling mainsail

Things to Know Before You Buy an in-mast Furling Mainsail Before we “roll” into a discussion of furling mains, here’s a quick recap of some terms we use: Tack – Corner of the sail at forward end of boom Clew – Corner of the sail at aft end of boom Head – Top corner of sail Leech – Side of …