Hi, thanks for the question! I assume you’re referring to this post about lotus crowns.
The lotus crown is called Lianhua Guan/莲花冠 in Chinese, and it’s a type of Guan/冠 (crown) originating from Daoism that is worn by mid-to-high level Daoist masters. The crown is made of gold and jade and decorated with jewels, and shaped like a blooming lotus, hence its name. Below - a lotus crown (left) & depiction of a Ming-dynasty Daoist wearing a lotus crown (right):
The lotus crown was commonly worn by the time of the Tang dynasty, and was popular during the Song dynasty as well. Below - Tang dynasty artwork depicting men wearing lotus crowns:
Below - real-life modern examples of Daoists wearing lotus crowns:
Women also wore the lotus crown as a decorative ornament, especially during the Tang/Song dynasties. Ornamental lotus crowns were made of more varied materials including gold and silver, and were different from the Daoist lotus crowns. Sometimes they were so large as to almost cover the entire head:
Like many other traditional Chinese hair/head ornaments, the ornamental lotus crown has seen a surge of renewed interest due to the growth of the hanfu revival movement. It’s now a popular accessory among hanfu wearers, and a wide variety are available for sale on Taobao:
The modern lotus crowns made for hanfu wearers often come with extra dangling appendages for maximum glamour:
Hope this helps!