This is a boat made out of a freestanding hammock. Why you'd want to do that is beyond me, but I also used to have a friend that would microwave beer because he liked it warm, so I've basically stopped asking questions. Still, if Rambo there in the pic is any indication of how much fun there is to be had with a hammock boat, these things might just be the new rocketpack.
Hammock Boat [neatorama]
Thanks to Duncan, who used to have a rocking chair boat but rocked his ass right into the water and got attacked by an alligator. Now he plays Captain Hook at Disney World.