4 oz oiled leather, Double capped rivets, Artificial Sinew. Hole punches and a Xacto knife. The lens was made from Faint blue plastic. due to safety reasons
I used these non-historical Tools and Materials. for Convenience and due to the lack of Getting a rawhide and tanning it my self.
This Started with a Pattern from www.Deiselpunkro.com
under the instructions of the Pattern
the procedures I use is from experience