" The contraption was something V had bought but had never used: He’d kept it only because it had terrified him, and that was reason enough to own the thing. To be robbed of sight and hearing was the one thing guaranteed to make him lose his fucking shit—which was precisely why Butch picked the mask. He knew too well the buttons to push—physical pain was one thing . . . but the psychological stuff was so much worse. And therefore more effectual. "

― J.R. Ward , Lover Unleashed (Black Dagger Brotherhood, #9)