This ring is a set of rings that she gave to Gu Huaijing. At that time, when she returned to Beijing from Liangzhou, Gu Huaijing was always worried about things, so she found a skilled craftsman to make this ring.
Although the ring is small, it can do a lot. This ring has two hidden buttons, a left button and a right button, which are hidden in gems. I don't…