Producing something akin to harness leather for small projects is actually what led me to find this book. A lot of terminology gets thrown around in product description but not a whole lot of explaination to go with it.
Found this on an information dive and wanted to share. Lots of useful info on oils and greases to use. The what, why, how, and how much.
The Application of Oils and Grease to Leather by J R Blockey 1919 - here