A few years back I posted an idea of a flexible dolphin shape for body surfing. Stumbled across this site today,it looks like the Jet ski version. http://www.bionicdolphin.com/tom/index.html
Ohhh, Noooo Yet Another Fat Porpoise.
Wait till Jeff Clark sees this image on their webpage: the guy has plans to surf Mavs! http://www.bionicdolphin.com/tom/media/pics/digitalimpressions/maverics%202.1.jpg