Ah, he'd forgotten they had one of those lying around. It's not the most pleasant sound, but that hardly matters to him when he knows how quickly such a cacophonous contraption will undo the dastardly diptera's work.

One... two... three...

The crashing of cymbals makes it hard to count steadily, so he plays things a little more cautiously.

Four... five...

He steps back prematurely, bracing himself to dodge as needed.