The posts before this provided excellent info. from the front bottom of the boom, after the lines exit past the toothed cams, the lines should run to the base of the mast, then go through a block, then come back to a winch in the cockpit. Those cams are so you can leave the lines forward but if you are cruising the boat it is probably nicer to have them back in the cockpit. It sounds like your setup isn't a single line system where the same line controls both the lech and luff. So your reefing drill will be to release the mainsheet some, then release the halyard to a point where the reef gromet on the luff can be attached to the reefing point at the top of the boom and then tension the halyard. It is great to mark this with a permanent marker for easy future reference. Then take up on the reefing line until the leech reef gromet is tight on top of the boom. Nice to mark this as well with a marker where it exits the clutch.