Neolithic use of polished or ground stone tools, in contrast to the flaked stone tools used during the Paleolithic era. Neolithic people were skilled farmers, manufacturing a range of tools necessary for the tending, harvesting and processing of crops (such as sickle blades and grinding stones) and food production (e.g. pottery, bone implements). They were also skilled manufacturers of a range of other types of stone tools and ornaments, including projectile points, beads, and statuettes. But what allowed forest clearance on a large scale was the polished stone axe above all other tools. Together with the adze, fashioning wood for shelter,
Neolithic and Bronze Age rock art in the British Isles the research into rock art has been undertaken by amateurs rather than professional archaeologists, to varying degrees of quality. In 1997, archaeologist Richard Bradley of the University of Reading published "Rock Art and the Prehistory of Atlantic Europe", the first study of such petroglyphs across Atlantic Europe. In 1999, Stan Beckensall published "British Prehistoric Rock Art", the first regional overview of the island's rock art. The purposes of Neolithic and Bronze Age petroglyphs in the British Isles have long been debated, with amateur rock art researcher Ronald Morris listing 104 different proposals that he had encountered, ranking them according to