The knife itself has a kind of shaqi, and the shaqi it can prevent actually refers to feminine ghosts, especially at night.
Whether it is day or night, the suffocation of the knife has an impact on people's aura, especially at night.
Shotgun has an effect on people, which is a deterrent effect. It can also be said that shotgun has a suffocation effect.
As a result, shotguns do not have the function of killing ghosts, which is the Sha Qi issued by shotguns and knives.
Related.
To sum up, shotguns have a deterrent effect on people, but have no effect on ghosts, and I
What children need is something that is harmless to people and can shock ghosts. So shotguns are not suitable for placement.
At home, knives are the same. Especially the bedroom.