While my first thought for the new kayak/kayaks for “So It Goes” would be inflatable as the deck territory on a 34 foot sailboat just does not cry out for friendly rigid kayak storage solutions…
On the other hand, there is a lot to be said for a boat like this…
Seriously way cool stuff coming out of Diablo Paddlesports…
Dave Riley has posted his experience with a finn gadget on his blog.
Maybe not a solution for you but perhaps others.
http://kickbike.blogspot.com/