"Distraction," Hartley scolded him, but that didn't keep him from smiling. It also didn't really mess with his focus, not judging by how his hands steadily kept working, sanding off the edge to make sure this wouldn't cut into him. Finally he put his tools down and turned around to look at Cisco, reaching up to the headphones. "I'll have to take them off to put these in, so please don't make any sound while I do that?"