Based on these results it can be argued the presence of home carving handicraft production at the sites, due to the fact that the main characteristic of the craft – a high percentage of rejects and similar preparations, indicating the standardization and production volume is missing. The article discusses some lesser known issues of mutual influence of cultures of medieval population of the two regions based on the study of material culture of archaeological monuments of the Middle and Lower Volga regions, Bilyar and Samosdelskiy hillfort. The analysis bone workpieces and defective products offers a new perspective on the dynamics of such branch of medieval production as the bone cutting one.
