Here's a brief introductory video to help get you started making your own leather armor.
The list of tools and materials to get you started.
TOOLS
rawhide mallet
utility knife and extra blades
scissors
buffing tool
steel ruler or a metal straight edge
mini and maxi punch set
thong punch set
awl
rivet setter/anvil
bench vise (optional)
kitchen cutting board
MATERIALS
cardboard (from cereal or beverage boxes)
rivets
buckles
braided cord of various sizes (we talked about polypropylene and waxed linen)
leather (vegetable tanned saddle skirting)
chrome tanned chap leather
leather dye/with applicators
Supershene finish
Leatherworking tools can be found at Tandy Leather.
Other sources for tools and supplies would be hobby, discount and hardware stores.
Some supplies can also be found online through Amazon, Etsy and Ebay.