It was like, kind of like this fluttery matter, anything like a headband with a motor," Flannery explained. "And of course, I could breathe with a bag over my head. The scariest point in Black Mirror season 5 is Nine Inch Nails' song "Head Like a Hole" remodeled into a teenybopper tune by Miley Cyrus. HBO did not send out screeners to the push for the sixth time to avert the spread of unlicensed copies and spoilers.