Yeah Mate that looks something like what you want, but I can't tell if it a vang setup (which you don't need) or the downhaul. But work out how to attach it to the bottom of the sail (should be an eyelet or something there) and that'll take five years off the sail straight away <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />. The Blade owner might be a good bloke to know, don't know much about Hobies, although I should I did a State Titles on one at Torquay (Hobie 16), but that was many years ago and we came last. <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" />
Regards