Knife making questions
I am no knife maker, but I do like to watch Forged in Fire. Some questions for the blade smiths:
1) Why is quenching the blade so hit and miss? It's always a scary event for the contestants.
2) When they quench the blade, they use a file to check for hardness. What are they doing to check hardness? Looks like they are just sliding a file across the blade.
3) What makes some of the blades brittle and break?
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