YouTube Sensation's Slingshots Fire Cannonballs, Machetes [VIDEO]

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Joerg Sprave knows slingshots -- and not your run-of-the-mill twigs-and-rubber-bands setups, either. The 46-year-old German has racked up hundreds of thousands of views on his YouTube channel: The Slingshot Channel.

In his most recent video, posted this week, Sprave demos a cannonball-firing contraption that he says is actually too dangerous to shoot the steel ball it was designed for. Instead, he shows the slingshot firing an apple.