How about leading the safety line forward from the main blocks? I have some grommets in my tramp in line with the shrouds, more or less. Put a heavy line through the grommets, a good stout ss ring on that line and run the safety line through the ring, to the harness. Then, if you go overboard the safety line, hopefully won't destroy the steering link. If you experiment a little with the length of the safety line, you'd be bobbing along near the rudders and, hopefully, could bring the boat head to wind.