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Scholars have long recognized the importance of organic artifacts to an improved understanding of the economic and social behavior of Palaeolithic hominins. However, in contrast to archaeological studies in other parts of the world, osseous industries from China have received only limited attention. As one of the first steps aiming at tipping this balance, the current paper examines, therefore, a shaped boar tusk—one particular element of hunter-gatherers' tool kit at Shuidonggou Locality 12 (SDG12). Morphological and metrical comparisons of the tusk with both paleontological specimens and bone artifacts from the same site demonstrate that wear pattern on one of the dentin surfaces of the tooth is not significant different from occlusal attritions in living animals, while linear striations on the other dentin facet are most probably artificial grinding marks formed by prehistoric toolmakers in attempts to manufacture a scraper. The tusk specimen from SDG12 represents the first evidence of a ground tooth in Upper Palaeolithic China. The current study indicates that hominins in Shuidonggou area had achieved a deepened understanding of physical properties of osseous material available in environs and ultimately broadened their range of raw material selection by adding a particular element to the inventory of subsistence tools. [ABSTRACT FROM AUTHOR]

Few sites in China have yielded definite evidence for a complex bone technology. In this paper, we present a detailed description and an integrated techno-functional study of seven bone needles from Shuidonggou locality 12 dated to 12.2–11.0 ka BP in North China. Tool production processes conforming to the classic descriptions of formal techniques, including scraping, grinding, perforating, polishing and occasionally heat-treating were streamlined to process osseous materials at this site. In Shuidonggou locality 12, the bone needles manufactured accordingly were used to produce sophisticated and fitted clothing, which helps to counter winter subsistence risk, until they were very blunt or broken or no more appropriate for use, and then were discarded in situ. [ABSTRACT FROM AUTHOR]