video Posted by: nickjc on Jan-04-13 3:59 PM (EST)
Those look very similar to the sails the guys in Tasmania make and use. My guess is someone took the do-it-yourself plans on one of the clubs websites and commericalized it. Here's vid of the sails in action in nice southern ocean conditions. http://www.youtube.com/watch?v=sqwA8b-ZR8s