He says this like it's completely unambiguous, but, really, it's quite open to interpretation. And it's healthy for a girl to think outside the box, you know. This sort of thing should really be encouraged!
Nothing like a healthy fear for one's life to keep one from wriggling too much. I'm sure she's afraid of the paddle too, and rightly so, though it could never do as much damage as toppling over that railing.