World Cup 2010: To meet a growing demand from some crowds at World Cup matches who want to register their disgust at their poor performing national teams, a vuvuzela that blows a loud raspberry sound is now available.

This follows concerns from booing England supporters that they could not be heard above the vuvuzelas, following a lacklustre performance against Algeria on Saturday.
A supporter told theVoiceofReason.com:
"My boo was drowned out by the vuvuzela's. What I needed was a vuvuzela that blew a vuvuzela-loud deep farty type sound."
A spokesman for Vuvuzela Inc said:
"Nothing says boo better than a vuvuzela-loud raspberry."
Other modified vuvuzela's available are: Baby screaming, cow mooing, lion roaring, duck, and police siren.