Loose footed

Loose Footed
A sail whose foot (bottom) is not attached to a boom or other rigid object. The opposite of club footed.
Loran ...

Scandalize - On a gaff rig the sail is made loose footed, the clew is brought forward along the boom and the sail cloth is drawn up in folds along the gaff and mast. From this position the sail is instantly available for use.

A loose footed mainsail still has admirers and this is how it works. The mainsail outhaul consists of an iron horse on the boom, a shackle as traveler, ...

storm trysail - A very strong sail used in stormy weather. It is loose footed, being attached to the mast, but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.
stow - To put something away.

A helpful step is where possible (on a loose footed sail) to disconnect the clew of the sail from the boom, which prevents the sail from scooping up water as the sail lifts out of the water.

Trysail
Also called storm trysail. A very strong sail used in stormy weather. It is loose footed, being attached to the mast but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.

See also: Deck, Boat, Boom, Hull, Sheet