These should always be kept rove, if the end of the boom is outboard. If the sail is a small one, put a snap-hook on the end that goes in the cringle, but do not trust hooks if the sail is heavy; splice your rope in.
Reefing:
When reefing a boom sail, before lying along make sure that the mainsheet is fast, so that it cannot slip, as this happening is likely to throw you overside. If the boat is rolling badly it is best to secure the boom with a lashing from each side to hold it steady, as this will make reefing easier.
WIND ABAFT THE BEAM.
Reefing:
In a heavy seaway it is easier and handier to reef with all the sail down and the boat running broad off, as she will go along steady. It is very difficult to reef a boat when in the trough of the sea.
Reefing:
When hauling out the foot of your sail to reef do not pull it out too hard, especially if it is liable to get wet from rain or sea, as the cloth will shrink and pull the leach out of shape. Be sure and pass a good lashing around the pendant close to the cringle and, if there is room, through it. Don’t haul out on your pendant until the tack is tied in.