"I'm trying to swim, which is impossible with this stupid thing?!" Behold his rage, Jones. He jabs a finger accusingly at the fin. And this is so not funny? You're getting all the Glare.

"You could be the tiniest bit more helpful!"

Okay, just--move it like flippers. He tries to kick out, even though it didn't exactly work like legs, it manages to flick up enough to propel him--

--face-first in the sand.

Progress!