Making a Knife and the Tool for it from the same Old File

I am making a knife from old rusty file , using Scraper tool that I make from the same file . It shows that we can make the same steel - very hard or very soft with the right heat treatment. Check out TSPROF sharpening systems: For U.S. customers: https://tsprof.us/?ref=rkkbcuyu For European customers: https://www.tsprof.eu/?ref=RUSTLEGION -5% cupon code: RUSTLEGION