What is the Tang Dynasty's reference to the clip-ons?

According to "Tang Yulin" records, "Xuanzong when Liu Jieyu has talent, on the very important. Jie-rape sister fit Zhao, sex smart, because the worker skeletonization plate for the image of mixed flowers and for the clip Val, because Jieyu's birthday to offer the Queen of Wang a horse, on the see and reward, because the Palace of the Royal Decree in accordance with the sample system, at that time very dense, and then gradually out of, all over the world." Sandwich val is extremely popular in the Sheng Tang period, pattern is characterized by symmetrical pattern, has a balanced beauty. In addition to being used as women's shawls or dresses, it was also used as a decoration for furniture. The Shokurain collection in Japan contains a variety of clip-valve landscape screens, clip-valve bird wood and stone screens, and clip-valve deer grass and wood screens from the Tang Dynasty.