Why is it unlucky to put the knife in the basin? Any explanation?

This is a custom in Shanxi, but it is actually a superstitious statement. It means to cut water with a knife, put a basin in front of the door of the person who just died, and then put a knife in it, which means to cut water with a knife and never go back and forth again, and go our separate ways. It is unlucky to put the knife in the basin, so you can't put the knife in the basin.

And scientifically speaking, if you put the knife in the basin, it will rust easily.

This is a local custom. In rural areas, after someone dies at home, there is a procedure to put a knife in a basin. Later, people feel unlucky, so they usually don't let the knife be put in the basin, just like they don't let chopsticks be inserted in a bowl of rice. It is the same. This is the funeral procedure ...