The term "hay-foot, straw-foot" originated during the Civil War as a reference to inexperienced soldiers, or rookies. These new recruits were often so unfamiliar with military drills that they struggled to understand basic commands, like distinguishing their left foot from their right. In response to this challenge, drill sergeants devised a method to help them keep time during marches by tying hay to one foot and straw to the other. This...