For decades, research and understanding of the diverse bone raw material used by the Late Prehispanic Period (~1220 to 330 cal BP) people of the Sierras de Córdoba were scarce. However, Dr. Matías Medina and his colleagues, Sebastián Pastor and Gisela Sario, have published a technological analysis of the manufacturing technique used to create one of the most numerous bone tool types, bone arrow points.