These first microwave ovens may have been carried in woven slings, adapted from those created for carrying babies, but this is hotly debated, since woven materials do not survive well.

See "The Culture of the Middle Paleolithic/Middle Stone Age" Clark, J. Desmond, "Ovens of the Middle Paleolithic/Middle Stone Age" Clark, "Ovens and Oven-carriers" J. Desmond and of course Clark "Why Oven-carriers Never Existed" - Clark.

It is sad to see such a successful academic cooperation break up so acrimoniously.