In addition to the blades and lamellae from which knives, needles, scrapers, drills and hundreds of other tools were made, there were also polished stone utensils, and the Sahara as a whole was rich in stone polishing masters. There are not only stone rings, which were bracelets - provided the light range allows the arm to pass through them -, club heads or weight stones of burial sticks, but also pots, hoes, chisels and arrowheads, whose fine polish still amazes us today (IFAN Collection, Dakar, Senegal) – 1969
