How to make it easier to trim your Opti sail?We know the answer: try these NEW set of small pennant holders. These NEW simplified top pins for your wind indicator, where sailties are knotted outside of the mast for easy adjustment. 1) Tie the upper double loop through the top pin and the sail, (knot on the outside of the mast)2) Tie the lower single loop through the bottom pin and the sail in such a way that the sail measurement band does not surpass the top measurement band on the mast. (knot on the outside of the mast) These top pins can be used in Silver, Blackgold and Optimax spars.