What is three knocks and nine worships?

"Nine Worshipments" are nine ways to worship God in ancient times. These nine worship methods are called kowtow, nodding, empty bow, vibration, worship, fierce worship, strange worship, praise worship and worship. "Nine Worship" not only has different names, but also has different action essentials.

"Three knocks" is not an ancient ceremony, but a common name for the "bow down" ceremony among the people.

Extended data:

Three worships and nine knocks refer to the gifts given by emperors in feudal society to pay their respects to their ancestors. In the traditional etiquette culture, there is a solemn etiquette of "three worships and nine knocks". In fact, the ancient "three worships and nine knocks" have their own meanings. "Worship": it means sacrificing your body and offering a body sacrifice of 100 kilograms. This is an old explanation. In modern times, there can be other explanations, that is, to dedicate this body to heaven and earth. "Knock" means to bow respectfully. Because the inside of the head is the densest area of the whole sexual system, it is also the area that produces sexual light, and the office of the sexual system is also in this area.

Reference: Baidu Sanbai Jiukou Encyclopedia