For instance, she exchanged for almost a few thousand skins, ranging from expensive mink skins to otter rabbit skins that the middle class could also afford. She exchanged a good number for every kind of skin.
Although the people of the Meng Slaves were considered an ignorant and backward ethnic group, their craftsmanship level in making leather was quite high, and they were also good at dyeing. The colors were not only even, but also fade-resistant and they even had a technique for gradual color change, which Cai Wei did not pass up. Whenever she saw skins with gradational color, she would definitely make an effort to exchange them.