Right, "dunno". but, just because Homer and some others might describe a process for making soft leather, it doesn't mean that was the only way. Buff coats: don't seem to match stiffness in vase depictions --do you see wrinkles in those? (we need to make a distinction between those that might depict quilted linen or twining vs. leather), seem to be used in countries where waterproofing was needed. Folks in Africa have apparently known for a long time how to do it:
http://www.gateway-africa.com/howdidthey...-roots.jpg
http://www.gateway-africa.com/howdidthey...skins.html
"Academicky":
https://www.academia.edu/36710424/_Veget...hers_2018_
http://www.gateway-africa.com/howdidthey...-roots.jpg
http://www.gateway-africa.com/howdidthey...skins.html
"Academicky":
https://www.academia.edu/36710424/_Veget...hers_2018_
Qui sepeliunt capita sua in terra, deos volantes non videbunt.
--Flavius FlavĀ