《太平广记·卷八十四·异人四》
说完，便把一只缸扣在地上，不一会儿又把缸拿了起来，只见缸底下有一个穿着紫色衣服的人，身长五寸左右。
因覆一缶于地。俄顷，乃举以视之，有一紫衣人，长五寸许。
After he finished speaking, he turned a jar on the ground. Not long after, he picked up the jar again. Under the jar was a purple-dressed person around five inches tall.