What was the name of the wind chimes hanging under the eaves of the ancients? What's the point?

Wind chimes were called "Duo" in ancient times.

It originated from divination in ancient China. Some people also used it to judge the direction of the wind. According to records, during the Tang Dynasty, King Qi, the son of Emperor Ruizong of the Tang Dynasty, hung many jade pieces in the bamboo forest in the palace where he lived. King Qi listened to the instructions of the jade pieces. The direction of the wind can be judged by the collision sound, so it is called "Zhan Feng Duo". Later it spread to Japan.

Mr. Zhao Ruzhen said in the "Guide to Antiques": "The "Three Rites Picture" says that the bell of the bell is made of copper, the wooden tongue is made of wood, and the gold (metal) tongue is made of gold. The shape of the bell is slightly like a bell, but it only shakes to make a sound without striking. Japanese scholar Lin Qiansan researched: "It was a custom in ancient India to hang bells and bells together with flags and lanterns." Buddhist temples, pagodas and temples are regarded as solemn objects."

After Buddhism was introduced to China, the bells were hung on the eaves of temple pagodas and became wind chimes.