The use method of the octagonal convex mirror is to hang the octagonal convex mirror facing the evil position, which is generally required to be hung above the head, but it is not recommended if it is a suite, which will have side effects. Can be placed on both sides of the evil position. If the demon is located at the gate, it can be placed on both sides of the gate. If there is a screen behind your door, you can also put the brave man on the screen facing the door. Natural gourds hang in places with evil spirits, and the vines of gourds are aimed at evil spirits. The crystal seven-star array is best to choose the gourd-shaped crystal seven-star array, which can not only transform and purify the gas field, but also collect evil spirits. It should be put in an evil place. If the gate is a ghost, it should be placed behind the gate where things can be put.
You should buy a pair of brave and natural gourds, not one. Moreover, magic can only be effective if it is opened by orthodoxy, otherwise it will not be effective. Orthodoxy is to ask monks or Taoist priests to help open the light. It is best to use jade, even the cheapest jade. Dongling jade and Huanglong jade are better than copper, because jade is born with the ability to ward off evil spirits, and crystal is better than copper. Among the four kinds of geomantic omen, the warrior who wears a sword to ward off evil spirits is the strongest, followed by the eight diagrams convex mirror (with restrictions on use). Natural gourds and crystal seven-star arrays have similar abilities.