Gullivers Travels by Part 4 Chapter 9 Page 10

could at first imagine. I have seen a white mare of our family thread a needle (which I lent her on purpose) with that joint. They milk their cows, reap their oats, and do all the work which requires hands, in the same manner. They have a kind of hard flints, which, by grinding against other stones, they form into instruments, that serve instead of wedges, axes, and hammers. With tools made of these flints, they likewise cut their hay, and reap their oats, which there grow naturally in several fields; the Yahoos draw home the sheaves in carriages, and the servants tread them in certain covered huts to get out the grain, which is kept in stores. They make a rude kind of earthen and wooden vessels, and bake the former in the sun.

If they can avoid casualties, they die only of old age, and are buried in the obscurest