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,
City of Glasgow Police to prevent crime and detect offenders. The policemen they envisaged would not be mere watchmen and what they had written down was the concept of "Preventive Policing", 40 years before Sir Robert Peel established preventive policing in the Metropolitan area of London in 1829. In February 1789 this force of truly professional police took to the streets. During the following eleven years, Glasgow City fathers tried to get their "Police Bill" before Parliament, but without success. In the meantime, the small, pioneering, Glasgow police force, led by the Master of Police, Richard Marshall, was struggling to maintain its existence due