In fact, the upper part of the sword is just a gimmick, and the lower part is connected together, so it is pulled out;
Don't use force, this is the principle of safe wearing. The faster you wear it, the tighter you wear it. It's the same principle, the tighter you pull it.
It is also possible that the head of the sword is a big iron plate with a yellow stone pressed on it, and the bottom of the stone is covered with cement.