In some places they're used to drive away noisy youngsters. https://www.theguardian.com/uk/2007/mar/17/society.humanrights https://www.theguardian.com/uk/2007/

In some places they're used to drive away noisy youngsters. https://www.theguardian.com/uk/2007/mar/17/society.humanrights https://www.theguardian.com/uk/2007/mar/17/society.humanrigh...