M_Boats: Reefing while under sail

Montypals: I am hopeful to join your ranks soon. We'll see. Tried to heave to in my little Vagabond. Can be done, but really not good in a dinghy. Too light. Now, on an M15, is it possible to reef while under sail? Can you heave to, and reef single handed if the wind kicks up? If so how do you do it? Daniel