The outbreak of the Chinese Civil War made Hong Kong people try hard to save every cent in this state of turmoil.  Many families had a sewing machine and most of the housewives were good at needlework and could make all the clothes for their family members.  At that time, only the rich could afford to go to tailor shops, which explained why local garment industry was almost died out in that period.

Cheungsam of the 1930s.

Clothes made by the housewives.