Obviously, wading into a pit can result in severe bodily injury, but according to the British web site www.DailyRecord.co.uk, headbanging onstage or at a show can also be pretty dangerous. Recently, the bassist for Scottish emo-metal band The Day I Vanished, Richard Allan, suffered a detached retina from banging his head during a performance.

"I was at the bar after the gig and noticed things were blurry," Allan told the DailyRecord. "I thought I'd maybe been looking at a light for too long. The doctors said I'd need an operation, which is a massive shock."

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