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.

[via egamer]