Linva Tailor has old glass-paneled closets filled with cheongsams, the traditional high-colored dress worn by Chinese women of old and Maggie Cheung in "In the Mood for Love". Clients play dress up in the collection to sample options for a bespoke cheongsam. Ching-Wah Leung, the master tailor, has been making the body-hugging dresses since the 1960s. Yes, he began as a child.