"Oh, look, that sea lion must have a cramp from the way its back is...oh never mind, it stopped."

A predatory sea lion's belly is a long fleshy coffin that can easily accommodate a stretched-out human. They struggle and squirm, but the thick walls of inward pressing muscle and fat soon squeeze the fight out of them, and then there's just a subtle, easy to miss bulge to show what has happened. Well, until the bulge goes away anyway. 83