This criterion is very important. It describes how human norms and conventions vary within the ritualised behaviours found in nonhuman primates. Various beads made out of Nassarius gibbosulus shells are considered the earliest acknowledged types of personal adornment, or even jewelry. Two shell beads located in Skhul Cave over the https://medium.com/@spoilmevintagediy/the-rich-history-of-beadwork-a-journey-through-the-ages-4e4fd2e474cf