What do you mean by burning old pants? Someone in the village invited the master to watch Feng Shui, and he told me to burn an old pair of pants. What does this mean?

Metaphysics and geomantic omen is called yin-yang method by the people.

The victim is unlucky, prone to illness and misfortune. In metaphysics and geomantic omen, it means to send the victim away with bad luck. But it should be a set of the victim's old clothes and pants. And they will choose the right time, choose the right direction, walk to the crossroads and burn them. Moreover, it is equipped with spells, and the operation method is quite complicated.