《左传·闵公·闵公二年》
太子申生带领军队，晋献公让他穿左右两色的衣服，佩带有缺口的青铜环形佩器。
大子帅师，公衣之偏衣，佩之金玦。
Crown Prince Shen Sheng led the army, and Duke Xian of Jin asked him to wear clothes of two different colors on the left and right, and to wear a bronze circular pendant with a notch.