His group has also chased down trucks and buses that ignore a government ban on musical pressurized horns, which can be almost twice the decibel level of a carhorn, anti-honking activists say.
Long after the World Cup final is played on July 11, the sound of the vuvuzela will remain instantly evocative of South Africa -- as the didjeridoo is to Australia, the bagpipe is to Scotland or the carhorn is to New York City.