Isn't it obvious. We look for what they're hiding.

(Stepping towards the side, Double Trouble kicked up the edge of the rug, shuddering a little at the dirt and dust that came up. It was clear that no one had been sweeping either. But if there were no doors in the wall, then the floor was the next best thing to check. After all, some of that stomping Jinx had been doing did sound awfully hallow.)

So what'll be Jellybean, keep watching the same boring production, or you wanna clear the carpet and see what's underneath?