Each spring in former times, women workers would remove the cotton lining, and after drying and loosening it, would replace it in the outer fabric which had been reversed. In this way, the mien ao was as good as new again.
據說過去的人穿著的真棉棉襖，一到春天，婦女就將棉襖的縫線拆開，將棉花取出曬一曬，重新彈鬆，再以反面的布縫回去，就又是一件新的棉襖了！