He follows what they're gesturing at, and nods. In a moment, then. He rises and dusts himself down a bit.

They are... almost correct! "Oh. Back here. I was thinking more along the lines of... ah..." He makes a solid gesture of thunking a fist down into his other palm. "Why don't you try giving one of these a whack with the flat of your Nail? You've a knack for that kind of thing, and it can't hurt if they're already broken."

Lemm could probably try this out himself if he took out one of his heavier tools, but - they're always hitting things, and here is an opportunity to hit something. Why would he do it?