Level 9: Reefing and Shanking out a reef on the Mainsail

Reefing:

Crew Positions:  Mast-man#1 at the reefingline stopper (located on the boom at the gooseneck).  Checkstay-trimmer is at the secondary winch.  Mast-man#2 at the main halyard stopper and winch.  Bow-man is tailing the main halyard.  Main-trimmer at the mainsheet.
The Maneuver:  The skipper gives the command 'ready to reef the main'.  The crew goes to the assigned positions.  Mast-man#1 hands the reefline and passes it back to the hotbox.  The checkstay-trimmer takes wraps on the winch on the same side as the turning block (may require releasing the checkstay).  The Crew-boss calls out 'Ready to reef the main'.   On the skippers command, Mast-man#1 releases the boomvang and the Main-trimmer eases the main sheet.   Mast-man#2 eases the main halyard while the Mast-man#1 pulls the luff of the main down.  Hotbox winches in the reefing line just enough to keep the boom level and minimize flapping of the leach.  When the sail has been lowered far enough for the tack-cringle to slide over the reefing hook, the Mast-man#1 does so and calls 'tack is on'.  Mast-man#2 winches up the main halyard until the desired luff tension is reached.  Hotbox winches the reefing line until the new clew is at the boom.  The Main-trimmer may need to allow the main to luff to reduce tension on the reefing line at the end.  The Main-trimmer retrims the mainsail, the boomvang is re-applied as needed.  The reefline is re-coiled and stowed at the mast.  The crew clears the deck and moves back to the windward rail.
The foot of the sail can be folded over the boom to reduce windage and improve visibility for the helmsman.

Un-Reefing:

Crew Positions:  Mast-man#1 at the reefingline stopper (gooseneck).  Mast-man#2 at the main halyard stopper and winch.  Bow-man at the mast, tending the mainsail tack.  Main-trimmer at the mainsheet.
The Maneuver:  The skipper gives the command 'ready to un-reef the main'.  The crew goes to the assigned positions.  Mast-man#1 un-coils the reefline and passes it back to the hotbox and the Crew-boss calls out 'Ready to un-reef the main'.   Mast-man #1 eases the reefing line and Mast-man#2 eases the main halyard until the Bow-man can slide the reef-ring off the reefing hook. A quick ease of the mainsheet to luff the mainsail may be needed.  The Bow-man calls 'tack is off' when the ring is free.  Mast-man#2 winches the main halyard while Mast-man#1 releases the reefing line and the Main-trimmer eases the mainsheet as needed to allow a complete hoist.  The bowman guides the luff bolt-rope into the mast groove. When the mainsail luff tension is correct, Mast-man#2 calls 'main is hoisted' and the Main-trimmer retrims the mainsail.  The crew clears the deck and moves back to the windward rail.