Hand gestures, perhaps the most expressive form of body language, are used for sign language, certainly, but also to convey meaning beyond words, from the social conventions of greeting ? the most common of which is the handshake ? to more subtle cues. But the so-called devil?s horn, where the index and pinky fingers are raised as the thumb holds down the ring and middle fingers, has a particularly colourful identity. Heir to centuries of diverse traditions, beliefs and superstitions, the horn has become a cultural, social and even political phenomenon. Today, it symbolises kinship and inclusion, with a pinch of rebellion and darkness, and a guitar riff screeching in the background?
