What is the Luo mirror used by Yin and Yang teachers?

Compass, called compass, compass, compass, etc. In ancient times, it was an indispensable tool for China ancient Feng Shui masters to engage in Feng Shui activities.

Compass is an important tool for geomantic operation, and its basic function is orientation. When we understand the knowledge of feng shui and regulating qi, we must first learn the basic method of compass orientation.

Compass is called compass, which was created in the era of Xuanyuan Huangdi, and later passed down by the sages of past dynasties. It was revised and perfected by observing the ups and downs of mountains, rivers and plains on the earth according to the principles of Yijing and Heluo. It is used to determine the direction and survey the terrain. Most geologists and sailors call it "compass" or "Luo Geng", but seldom call it "compass".

Speaking of the use of the compass, I believe it will take up a lot of space if we discuss it in detail. Because it contains too many things, this article only talks about simple usage.

There are many kinds of compasses, such as ternary disk, three-in-one disk, ternary three-in-one dual-purpose disk, easy disk, mysterious disk, and unique disks of users in various schools. However, no matter what kind of compass it is, there must be a layer in the middle that is in the direction of the twenty-four mountains. From the north, they are Renzigui, Ugly Genyin, Jiamaoyi, Chen Xunsi, Bingwuding, Shen, Geng Youxin and Xu Ganhai. * * * Twenty-four directions.