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 uniforms and equipment in the United Kingdom police of the Greater Manchester Police and of the Merseyside Police wear a ceremonial uniform which includes a distinctive cavalry-style helmet, similar to those worn by the Household Cavalry. Mounted police in Cleveland Police wear a similar uniform, but with a red rather than a white plume. Police officers may wear mess dress to formal dinners if appropriate but this is most usually worn by officers who have achieved the rank of superintendent or above. The mess dress of the Metropolitan Police is dark blue with black cuffs and a black 'roll' collar having an embroidered Brunswick star on each