Join Date: Jul 2007
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Interesting site superfurl.com
No mention of furling/reefing so I don't think this can be used for reefing the headsail, but has the advantage of letting you use your existing full set of jib/genoa sails, and no going forward to drop the headsail.
Downside is that to change sail you will need to unfurl, so for reducing headsail with changing conditions will still require going forward and instead of hanking off and on the headsail, will require feeding slugs into a track.
Without the furling reefing feature, there appears to be only a minor advantage over the traditional hank on headsail.