More details please see: 

https://www.fashiongallery.hk/seminars/awakening-the-classic-poise%3A-hong-kong-men%E2%80%99s-cheongsam-making-technique-and-intangible-cultural-heritage-inheritance-seminar-%E6%81%A2%E5%BC%98%E7%B6%93%E5%85%B8%EF%BC%9A%E9%A6%99%E6%B8%AF%E7%94%B7%E8%A3%9D%E9%95%B7%E8%A1%AB%E8%A3%BD%E4%BD%9C%E6%8A%80%E8%97%9D%E5%8F%8A%E9%9D%9E%E7%89%A9%E8%B3%AA%E6%96%87%E5%8C%96%E9%81%BA%E7%94%A2%E5%82%B3%E6%89%BF%E7%A0%94%E8%A8%8E%E6%9C%83