What does it mean to use others to secretly fold paper money into coins?

There is also a saying that it is like a piece of paper money folded into a triangle and thrown on the ground, which was obtained by others looking for a "mage" to eliminate disasters. In the traditional concept, as long as you drop the coin, let the mage fold the coin into a triangle, and then find a crossroads to drop it, you can get rid of bad luck. The answer is for reference only, don't be blind and superstitious.