International audienceUse-wear traces attributed to hide working are probably among the best known in traceology, by their characteristics and their frequency in prehistoric lithic assemblages. In the European Mesolithic, hide working tools are almost always recognised, but in lower proportions compared to the Upper Paleolithic. In general, this tendency limits the possibility of going beyond the simple observation of their presence : placing the results in a technical-economic perspective remains complicated.Over the last 15 years, our studies have allowed us to identify several hundred lithic tools, retouched or not, used to work hide in Northern France and Belgium. This communication is an opportunity to provide a first synthesis focused...