User blog comment:Pygmy Hippo 2/Apache Warriors vs. New Kingdom Egyptian Soldiers/@comment-27358240-20190730145114

I'll vote eventually, but I first have to say that I found a book "Native North American Armors, Shields and Fortifications" which gives details about the use of glue hardened multi-layered deerskin leather armor based on Spanish cuirasses by the Apache, that by quite a large number of them. Here's the book:

https://www.amazon.co.jp/Native-North-American-Shields-Fortifications/dp/0292701705