The origin of the Scouting neckerchief seems to be in Robert Baden-Powell's participation in the Second Matabele War in 1896; where he worked with Frederick Russell Burnham, an American-born scout employed by the British Army. Baden-Powell copied Burnham's practical style of dress, including ""a grey-coloured handkerchief, loosely tied around the neck to prevent sunburn"". When Baden-Powell launched the Scout Movement with the book "Scouting for Boys" in 1908, he prescribed a neckerchief or scarf as part of the Scout uniform, which he stated was ""very like the uniform worn by my men when I commanded the South African Constabulary"". He continued; ""Every Troop has its own scarf colour, since the honour of your Troop is bound up in the scarf, you must be very careful to keep it tidy and clean."" Initially, Scout neckerchiefs were tied with a variety of knots, but the use of a "woggle" or slide, originated in the United States in the early 1920s and quickly spread around the Scouting world.