Is there any feng shui knowledge about putting a knife at home?

Because your house has no mountain direction, it is sitting accurately, and it has no favorite use of its family. Very helpless. For example, the building is the master, the palace is dry, and the dry palace at home is your house. This knife is gold. If you like the gold in the eight characters, of course, you can put it in the palace, which will help your fortune. But if you put it in Kun Palace, Kun Palace represents the female host, and the female host is eight characters.