仁王様 guardians of the Buddha

仏敵から寺を守る勇ましい仁王様は、檻の中で保護されています。

Brave guardian, "Nio or Kongorikishi", of the temple is protected in a cage.
A pair of wrathful and muscular guardians are set at the entrance of many Buddhist temples.

阿形 open-mouthed form

吽形 closed-mouthed form