It used to be a lot of them roaming in the residential area, out of necessity since household items were precious. Related is also the profession of a tinker to mend woks and pots and the scissor sharpener https://donwagner.dk/tinkers/tinkers-Zhongwen.html
Used to hear their shout in the street but largely disappeared in the 90s.
Used to hear their shout in the street but largely disappeared in the 90s.