After being instructed by her grandmother and mother, Ho Y Du in Hang Kia hamlet, Hang Kia commune in Mai Chau district could embroider difficult and elaborate patterns on her first brocade dress that she made herself. According to the customs of the H’Mong ethnic group in the district, any girl must make a beautiful brocade dress for herself when she turns 10 to mark her maturity as well as to demonstrate the ingenuity and diligence of H’Mong girls.