Last weekend we had some wind. The boat handled very well with a single reef in the sail. The horizontal reef in a sliding gunter doesn't seem to be that well known. Usually the complaint is that you can't keep the gunter up tight against the mast once the sail has been lowered to take the reef in, but the way I have it set up seems to work well. Later I will post some images on how this works. For now, here is some video: