An Austrian Knot (or Tyrolean Knot) is an elaborate design of twisted cord or lace worn as part of a dress uniform, usually on the lower sleeve. It is usually a distinction worn by officers; the major exception is the hussars, in which Austrian knots are worn by all ranks. British Cadet Under Officers wear Austrian Knots as part of their rank insignia. White lace is often used in collars and other fabric borders. ... This page describes uniform in the sense of clothing. ... In military organizations, a commissioned officer is a member of the service who derives authority directly from a sovereign power, and as such holds a commission from that power. ... Polish Hussar Hussar (original Hungarian spelling: huszár, plural huszárok) refers to a number of types of cavalry used throughout Europe since the 15th century. ... Under Officer is a rank held by Officer Cadets at the British military academies, in the Officers Training Corps and sometimes in the Combined Cadet Force. ...

During the American Civil War, Confederate officers often wore gold Austrian Knot on their gray or butternut uniforms. More elaborate braiding indicated higher rank.