I have always been fond of knife-making, makes me twitch every time I see it on TV, here’s how to build your own knife, you will first need to make some type of iron-burning system as shown below.
The implications are tremendous, this forge can easily double as a small melting furnace exactly as it sits for Aluminum and copper based alloys. And this opens the door to cast alloy handles and fastening hardware for knives beyond the original function of heating the steel to the point that it can be worked.

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