In the past couple of weeks I have chaged from a wire main halyard with a hook-on rack to a dyneema halyard with a clam cleat. It works very well and is certainly less fiddly when hoisting the sail; but yesterday we were racing in a fresh breeze and I applied a lot of kicker. The main halyard slipped and the head of the sail dropped 4-6 inches from the black band. Has anyone else had this problem and does anyone have a solution for it? At the moment I am considering reverting to a wire halyard, which I shall fit at the end of the season (another month or so for me).