"What's the fastest way to say 'rock 'n' roll restaurant' in dozens of languages? It turns out the heavy metal horns (first displayed in a rock context, according to rock historians, by the late Ronnie James Dio) are the Esperanto of hand gestures. For six years, the rockin' fork effectively became a second logo for the Cafes worldwide and still appears on their chefs' coats and catering trucks."
