What does the fortune teller mean by putting 50 cents around the bed?

Some people like fortune telling, for example, when something happens, they often invite fortune tellers to visit their families for fortune telling, so fortune tellers will suffer losses, such as eliminating disasters or avoiding disasters. For example, people say that you should put four or four quarters around the bed, which is why he has words here. Believe it or not, you should do it according to the explanation at that time, sir. If you think it's gone later,