where they put it after they last used it (whenever that might happen to be)?
He has lost the nail clippers (but it could just as well be a pen, the TV remote control, the dog's lead). So his strategy for finding them is to stomp about muttering angrily and demanding who used them last. It might well be him that did so.
As if anyone will remember! i think he beleives if he stomps about enough everyone will jump to their feet with glad cries and join the search.
They won't.