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It seems that the shops were not very long-lived; most must have existed only for the period of the founder's life. Where shops were succeeded to by a son on his father's death, it seems to have been common for the shop name to be changed. The coming of the new frontier seems to have led to a particularly thorough shake-out of shops. Of the 42 shops mentioned in the 1894 Shan Tsui tablet, only eight appear among the 19 mentioned on the 1906 Bride's Pool tablet, and only seven among the 39 on the 1920 tablet, including five of the eight which are mentioned on the 1906 tablet. Furthermore, the elders do not remember any shops with names corresponding to the majority of the donating shops in 1894 (only about 13 of the 42 shops donating in 1894 were remembered - about 31% - and two or three of these are doubtful): clearly many of these premises had gone out of business before the 1920s. At the same time, 10 of the 19 shops on the 1906 Bride's Pool tablet also appear on the 1920 Cheung Sha Kwu Tze tablet. Five of the 1906 donors appear on neither the 1894 tablet nor the 1920 tablet. This all suggests that more than half of the shops changed name between 1894 and 1906, but less than half between 1906 and 1920. It would seem that, on average, perhaps a quarter or a third of the shops changed names each decade.
All the elders contacted were land-people, and they knew little of the economic and social lifestyles of the boat-people. It seems that, while to the foreign visitor of 1925 mentioned above Sha Tau Kok was "a fishing town", Sha Tau Kok, while it had the essential structure of a wholesale fish market and a boatyard, was less dominated by the need to service the fishing fleet than towns such as Sai Kung, to say nothing of places like Cheung Chau or Tai O. The Sha Tau Kok area fishermen fished mostly within Mirs Bay - they did not, it would appear, normally join the fleets of better-located ports in exploiting the deep sea Wong Fa fisheries. Sha Tau Kok was a fishing port, but it was more of a land market than a sea market.
All the markets in the area required hawkers and coolies as well as shops, and Sha Tau Kok was no exception - indeed, given the importance of its carrying trade with Sham Chun, Sha Tau Kok may well have been more dependent on coolies than elsewhere. The hawkers were of two types: those who traded as a part-time occupation, and those who made their living by it. The villagers of the surrounding villages regularly supplemented their income by casual hawking in the town. Each village seems to have specialised in what it sold. Women from the villages near