Curated OER
Leatherwork Merit Badge Workbook
In this leather-work Boy Scout merit badge learning exercise, students complete 4 multiple part, short answer questions. They learn about and describe the tanning process, practice braiding leather pieces, and visit a leather business.
Other
Water Hardened Leather
This site has the instructions for making armor from water hardened leather. It has several projects, some diagrams and pictures, and is overall, very detailed.