The sign of the horns, also known as devil horns or metal horns, is ubiquitous in heavy metal, hard rock and beyond. Music fans, especially concertgoers, come across it frequently.

KISS frontman Gene Simmons wants to trademark the universal sign for rock-and-roll, but he's doing it wrong. According to The Hollywood Reporter, the 67-year-old singer filed an application Friday ...

Index finger up, middle fingers down, pinky up, thumb in: the standard rock 'n' roll salute. ... The cover features John Lennon making a hand sign similar to today's version of the devil's horns.