Found this
video interesting
enough to feel like it
should be shared. Permies compatible process and something almost anyone could do. Reading down the comments there are 2 mentions of using partly microcrystaline wax to improve the end product that might be worth playing with too. Parafin wax and mineral oil or Parafin wax, mineral oil and microcrystaline wax.
Also like his previous silicon one but it isn't really a good
permie process. Although for some things it might be a way better
answer. I am sure you can find if you look
Country oriented nerd with primary interests in alternate energy in particular solar. Dabble in gardening, trees, cob, soil building and a host of others.