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It's all anyone's been talking about at the World Cup in South Africa - those noisy Vuvuzela Horns - which are making it so hard to hear anything else that's going on.
But they could be coming to a town, a football stadium or even a street near you too! Businessman David Broughton's importing tens of thousands of them - hoping to use his website www.thevuvuzelaman.co.uk to capitalize on World Cup Fever sweeping the nation.
Normally his company deals with electrical goods - but he told Heart at the moment it's all about the Vuvuzelas: "During our busy times we're selling about 1 a minute. Sainsbury's called us yesterday - they're needing another 50 thousand that they asked me for. Also Clinton Cards."
There's been criticism of the noise they make - with people saying it's hard to hear the commentators in the stadium, but David thinks they can add something to a match: "Somebody said to me yesterday it's like driving a motorbike with a helmet full of wasps, which is quite intriguing. I see it slightly different to that - I think if you've got wasps buzzing around you it's ok. So if you've got three thousand fans, like some of the games we've been too, it's a really welcome addition to the game."