《仪礼·乡射礼》
二人都以左脚踏在自己的射位的十字标志上，由面朝北转为面朝南，目视箭靶正中，两足合拢站立等候。
皆左足履物，还视侯中，合足而俟。
Both of them step on the cross mark of their own shooting position with their left foot, turn from facing north to facing south, look directly at the center of the target, stand with their feet together, and wait.