peer reviewedNeanderthal bone tools are often seen as negligible, consisting mainly of retouchers made from diaphyseal fragments and recognizable by their impact marks. One category, however, stand out, consisting of elongated pieces with blunt ends, most often on ribs, whose shaping involved scraping and abrasion and which are regarded as anticipating Upper Paleolithic. They are termed lissoir (smoother or burnisher) by typological analogy, although the diversity of their active ends suggests a greater functional diversity than this designation implies. Their apparent standardization results from the use of anatomically suitable blanks that only required the shaping of an active end. Mostly reported in older publications as isolated finds,...