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
Police cadets in the United Kingdom word "cadet" on the left breast reflective strip instead of the word "police". The equivalent of the Police Cadets in Scotland is the Police Scotland Youth Volunteers (PSYV). The PSYV is not part of the Volunteer Police Cadets framework, but is listed as a partner agency and carries out similar work. Established in 2013 with five groups in Aberdeen, Cumnock, Dundee, Edinburgh and Glasgow, PSYV members volunteered at the 2014 Commonwealth Games in Glasgow and other public events. The program has quickly expanded and today there are now twenty groups across Scotland from Stranraer to Shetland, with plans to expand