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Information on Palaeolithic bone technology from China is sparse. Here we present the results of a techno-functional analysis of a bone tool assemblage recovered from Shuidonggou Locality 12 (SDG12), layer 11, Northern China, dated to c. 12-11 cal ka BP. Six bone tool artefact types are identified: wedges, awls, spear points, a knife handle, a possible sewing implement, and a notched carpal. Two other artefacts could not be attributed to a specific type. The artefacts are made of Procapra przewalsikii , Lepus sp., Sus sp., Equus przewalskii , and unidentifiable bone fragments from medium/large size mammals. At least three methods are used to extract blanks: percussion of altered limb bones, longitudinal splitting of Sus sp. canine and large rib, and probably, the groove-and-splinter technique. Grinding and scraping are the dominant shaping techniques together with grooving, notching, polishing, drilling, flaking, and retouching. Tool type variability and function fit the hypothesis according to which the SDG12 and similar sites would be residential camps in which hunter-gatherers produced artefacts enabling them to cope with cold environmental conditions. Our results, however, indicate that not all bone tools match the expectations associated with a serial specialist production. Expedient wedges and awls may have been produced by any member of the group, and whenever the need arose. The SDG12 bone tool assemblage provides a significant contribution to our knowledge about hunter-gatherer adaptations to the Tardiglacial environments of Northern China. [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]