What does the dragon ruler mean?

Dragon hunting ruler, also known as spirit ruler, dragon hunting stick and dragon hunting needle, etc. The English name is "DowsingRod" and the neutral name is detection stick, which has a history of 5000 years in China and the West.

It borrows the magnetic field sensitivity of the human body, releases subtle and exquisite induction through the physical reaction of the stick, and converts it into visible signals, which can be used to find veins, water sources, acupoints, geomantic omen, missing people, lost things, divination, good or bad luck and so on. Popular in the field of geographical feng shui, it is a necessary wardrobe tool for Mr. Feng Shui.