What is the significance of the stone lions placed at the entrance, one with an open mouth and one with a closed mouth?

The symbolism is to attract and keep wealth.

Stone lions placed at the entrance of a closed mouth and an open mouth is called the Hong Kong Dollar Lion, Hong Kong Dollar Lion is an imported thing, with the introduction of Western banks, first appeared in Hong Kong in front of the bank, so it is named, this kind of stone lions are more realistic, the shape and the shape of the real lions are almost the same.

The Hong Kong dollar lion is a male and female pair, or standing or standing in the bank on both sides of the door, the general male lion's mouth open, meaning wealth, while the female lion with a closed mouth, meaning the meaning of wealth.

Stone lions not only have different characteristics of the era, there are obvious regional characteristics. In general, the northern stone lion appearance of the atmosphere, carving rustic; southern stone lion more spiritual, lively shape, carving a lot of decoration, the lion is not only in the palm of the lioness, some climbed on the back of the lion, lively and lovely.

Extended information:

Stone lions sculpted into the image of a lion with stone as the raw material, sculpture with artistic value and ornamental value. The earliest stone lions are those in front of the tomb of Gao Yi in the Eastern Han Dynasty. It is a decorative object often used in traditional Chinese architecture and can be seen on Chinese palaces, temples, pagodas, bridges, mansions, gardens, tombs and seal buttons.

But more often than not, stone lions specifically refer to the pair of lions placed on the left and right sides of the main door. Its shape is not the lions we see nowadays, probably because most of the people in the Middle Kingdom have never seen the real lions in the African grasslands, but it is also said that it is because the Western lions have a different body shape from the African lions.

Baidu Encyclopedia - Stone Lions