Check (pattern) a board used for playing checkers and chess, and in heraldry. The check pattern has a number of symbolic meanings. In auto racing, the chequered flag is displayed at the finishing line to signal that the race has finished. It originates from the "checkers" who watched the finishing line and checked when cars had finished the race. They began using chequered flags to identify themselves. In some countries, the check pattern has become a symbol of the police. Known as "Sillitoe Tartan", it was first used in Glasgow in the 1930s and was inspired by a pattern worn by some
Association of Chief Police Officers in Scotland the Chief Constables' (Scotland) Club (a predecessor of ACPOS). At the time, many police forces around Scotland were amalgamating, and more were expected to in the future. A standard design of cap badge could be adopted by forces around Scotland, so new badges would not need to be purchased when two forces merged. Each force then generally had its own distinctive cap badge, usually featuring the coat of arms of the City, Burgh or County which it covered. The design comprises a Scottish thistle in a wreath of thistle leaves, all on a scroll tablet with the Latin motto: "Semper