6.80/10 2015-04-06 3 minutes.HDIt was pretty cold in the old days. You had to wear woolen skarfs to you keep from freezing. But then Caveman Bob got a great idea. Why not wear woolen hats and woolen sweaters too? - All you need is a lot of sheep.An: 2015Studio: DR Ultra, TV 2, DR RamasjangPays: Denmark