Of course, the influence of wood is less, and the influence of plastic is basically not suffocating.
As long as it is a metal sword, it must not be put in the bedroom.
I won't explain this reason, it is also related to psychology.
If this knife is as common as killing a pig, it can ward off evil spirits.
But you can also hurt yourself, mainly at night, so you can't leave home.
Dogs that have been hurt by this kind of pig-killing knife will run when they see it, because they feel too suffocated.
You can do anything with a knife during the day, but you can't leave it at home at night.
Especially at night.
To understand this depends on what you are doing this imitation.