Reefing without reefing points
OK, I am sure this has been covered somewhere, but after extensive searching I cannot seem to be able to find it...
There has got to be some technique for reefing the mainsail without using reefing points... right?
I have a '69 Cal-25 that has no reefing points on the mainsail. Short of spending some time with a sewing machine to install reef points, what can be done on a mainsail that has no reef points to reduce sail area in heavy weather?