Glengarry Boys' Brigade; namely Warrant Officers, Lieutenants and Brevet Captains. In 1932 Percy Sillitoe, the Chief Constable of the City of Glasgow Police, abolished the traditional custodian helmet and added a new feature to the peaked caps worn by his police officers. This new feature was a black and white chequered cap band based on the dicings seen on the glengarry headress of the Scottish regiments. The diced band, popularly known as the Sillitoe Tartan, later spread to police forces in Australia, New Zealand, and the rest of the United Kingdom, as well as to some other parts of the world,
Police vehicles in the United Kingdom users to their presence or when the driver feels that the journey needs to be undertaken urgently. These lights are usually mounted on the roof and incorporated into the standard vehicle system of external lights. Most police vehicles are also fitted with a siren. In addition to blue lights, many traffic and incident response cars are fitted with flashing red lights that are only visible at the rear of the vehicle. These indicate that the vehicle is stopped or moving slowly. Police vehicles may carry: Most cars and police motorcycles are fitted with a 'Runlock' system. This allows the vehicle's