Brutally primitive friction fire - Arundo donax as fireboard - Australopithecus technology

2015 12 26 Pursuing an idea of Edu Gordo ( using Arundo donax as fireboard. This experiment is more primitive, but much less minimalist in terms of resource usage. (I succeeded only in extremis : the coal was created on the extremity of the drill; then the cane powder was used as coal extender).