The base plate of old-style Chinese doorknocker is the foundation of utensil or gate in ancient times, which is used to recompense.The subject decorative design of it is mainly the animal mask.

• 摘要铺首是古代器物或门上用以衔环的底座，主题纹饰以兽面纹为主，历史文献与考古发掘中均有大量记载或发现。