《太平广记·卷三十四·神仙三十四》
最后触到一个石门，门上有金兽咬着的门环，打开门之后很明亮。
最后触一石门，门有金兽啮环，洞然明朗。
Finally, they touched a stone door with a doorknocker in the shape of a golden beast biting. After the door was opened, it became very bright.