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The use of microwear analysis has made substantial contributions to the study of archaeological bodily ornaments. However, limitations persist with regard to the interpretation of use and the reconstruction of systems of attachment, hampering a holistic understanding of the diversity of past bodily adornment. This is because the complexities of ornament biographies and the resulting wear traces cannot be grasped exclusively from the study of experimental reference collections. In this paper, we propose to bridge this gap in interpretation by systematically researching ethnographic collections. We conducted a microscopic study of 38 composite ornaments from lowland South America housed at the Musée du quai Branly (Paris). These objects involve organic, biomineral, and inorganic components, attached through different string configurations. The combined use of optical and 3D digital microscopy at different magnification ranges provided a thorough understanding of wear trace formation, distribution, and characterization. We demonstrate how individual beads develop characteristic use-wear in relation to one another and to the strings. We further challenge common assumptions made in the analysis of archaeological ornaments. In sum, this research addresses methodological and interpretative issues in the study of bodily adornment at large, by providing insight into the biographies of objects that were actually worn in a lived context. In the future, our results can be applied as reference for a more effective understanding of the use of ornaments worldwide.

This paper examines aspects of the agricultural activities and network supported by ‘Canaanean’ blade segments from Ninevite V sites located principally in Syria and Iraq. Technological and functional analyses of an extensive sample of these tools, alongside experimental and ethnoarchaeological reference data, point to their use as instruments for working cereals, but not a harvesting tool (sickle) as is usually assumed. Our analyses indicate that these blades were standardised inserts used in a special raft-like threshing sledge as described in contemporary cuneiform texts. The functional study was enlarged to include an extensive experimental program that studied harvesting and other agricultural tools. In particular, we analysed all effects of the functioning of reconstructed threshing rafts, armed with reproductions of Canaanean blade segments. Microscopic silica phytolith ‘sheets’ from cereal stems, extracted from soil samples taken from structures in various sites, indicated that straw chopped with the instrument was used in large quantities as mudbrick temper, fuel and animal fodder. Experimental studies carried out on blades to examine indicators of the knapping method revealed traces of a special manufacturing technique—pressure debitage with a lever and a copper-tipped point, which was identified on standardised Canaanean blades in the northern Mesopotamian sites studied. Our findings suggest that these Canaanean blade segments were produced in northern Mesopotamian workshops and then distributed over the region to equip threshing sledges. This lends support to hypotheses that local centres controlled extensive networks of village sites in the Ninevite V period, and were devoted to the large-scale production, storage and redistribution of agricultural products, possibly in exchange for items such as the specially produced threshing sledge blades.

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