The Feng Shui master put the coin into the bowl filled with water. The coin did not sink, okay?

Although I study and predict, I have to tell you realistically that a coin will not sink when put in water: that is a trick that everyone can do. As long as the coin is dry, you put it gently, slowly and steadily. It will not sink on the water because there is a ring of ridges around the coin that is higher than the plane of the coin, so the outside water cannot enter, so the coin will not sink