We have a asymmetric cruising chute with a snuffer on our 455GL. To be honest we find it too much to handle in anything but very light conditions. With 10 knots or more wind the genoa works well enough. If you are fitting a furler or have more crew who know what they are doing then it may be different. I have flown it from the bow roller which I strengthened with a bottle screw down to an eye at the bottom of the headstay fitting.
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