http://retardidy7pvg5pu3vrum4lhc6w57ioeaudftc735xtgjlkse7elqnqd.onion/ted/The%20Truth%20About%20Primitive%20Life:%20A%20Critique%20of%20Anarchoprimitivism.html
It takes many hours of kneading the skin in your hands, or drawing it back and forth over the head of a spike driven into a block of wood, and the work is very monotonous indeed. I speak from personal experience. An argument sometimes offered is that hunter-gatherers who survived into recent times lived in tough environments, since all of the more hospitable lands had been taken over by agricultural peoples.