Channel Islands Twin Fin (Custom Order)The Twin Fin has a retro 70s feel, with updated performance qualities. It was originally designed and hand shaped by Britt Merrick when asked to compete in a surf contest where shapers ride retro boards they have created themselves. Inspired by a twin fin that his father Al had shaped for himself in the late 70s, and that a friend had recently found at a garage sale, Britt took a template off it, drew it on a blank and updated the rocker to have a