Photo by Rick Dandes/The Danville News Instructor Michael Caprioli, right, points to the Kevlar string wrapped around Mahoning Township police officer Garon Fenstermakerâs legs. The string is shot out of a BolaWrap device. Photo by Rick Dandes/The Danville News Garon Fenstermaker, an officer in the Mahoning Police Department, is about to have a BolaWrap shot at him during a Monday morning demonstration. DANVILLE â It looks like a cross between a smartphone and a TV remote control, but what it delivers, for police, is a painless punch, a powerful restraining device that in some situations could replace the use of Tasers when confronting a suspect.