What do you mean by seven coins?

It is mostly used to set up the Big Dipper Array to make money. Single pendulum seven-star array, the method and orientation are very particular.

According to legend, the beast is a fierce beast, the ninth son of the dragon, who feeds on gold and silver jewelry. One corner is called "Tianlu" and the other two corners are called "exorcism". It is an ancient ceremony to put seven dimes of the same year into the shape of the Big Dipper. You can also use copper coins, which in short stands for money. Under the brave, it is to seek wealth and fortune, which can suppress Feng Shui. At the same time, it also played a role in dispelling evil spirits in Huang Wu, especially in wealth.