What's the matter with the fat pig arch in geomantic omen?

Han folk decorations for the Spring Festival. Popular in Tianjin, Hebei and other places. Belonging to a kind of window grilles, there is a festival window grilles of "Fat Pig Arch" in Tianjin, which is cut with black waxed paper. Pigs carry a cornucopia on their backs, and stick one on the left and right when they are lifting a towel, indicating the intention of making a fortune. There is a folk proverb in China called "dogs come to be poor, pigs come to be rich". On the first day of the first lunar month, most people like to stick a piece of fat pig window grilles on the left and right glass windows of the house to wish their belongings home. This moral is manifested in paper-cutting, the most typical of which is Tianjin paper-cut "Fat Pig Arch". This kind of paper-cut can replace the door god in Tianjin, and it is posted on the door of every household during the Spring Festival, indicating that good fortune is coming. As the primitive object of worship, the pig is the result of human beings' fear and awe of natural forces and deification. Many of the funerary objects in Han and Tang tombs are pig shapes. Although the pig shapes lack the majesty of the gods, they have the silly and smiling form of folk pigs. Pigs are farm treasures and are always associated with the concepts of bumper harvest and affluence. Pigs have many children, which constitutes the auspicious meaning of abundant financial resources and endless reproduction. Use the fat pig arch to herald the joy of a good year.