I don't know what you mean specifically by caveman technology, but this ethnic group does. https://en.wikipedia.org/wiki/Hadza_people#Subsistence https://en.wi

I don't know what you mean specifically by caveman technology, but this ethnic group does. https://en.wikipedia.org/wiki/Hadza_people#Subsistence https://en.wikipedia.org/wiki/Hadza_people#Subsistence