While a lot of people - most of them casual observers of football at best - insist on complaining endlessly about the vuvuzelas at the World Cup, they're not that bad. At least those ones can't make you explode.
These ones can! But it's OK; they're built to emit a frequency that only kills the bad guys from Doom, not that annoying guy from work who is watching his first games of football since 2006.
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[via egamer]