At The Blacksmith's Hand, Pt. 2 -

The most stressful moment in the shop is the . To "lock" the steel's hardness, the glowing piece is plunged into a medium—usually oil or water.

Hard steel is brittle steel. To prevent the tool from snapping during use, the smith performs a final . By gently reheating the metal to a much lower temperature (often judged by the "straw" or "blue" oxidation colors on the surface), the smith restores just enough elasticity to make the blade or tool durable for a lifetime of service. At the Blacksmith's Hand, Pt. 2

The air fills with steam and the sharp scent of hot oil. If done correctly, the molecular structure of the steel shifts into martensite , making it incredibly hard. If done poorly, the metal can crack or even shatter under the internal stress. The Final Temper The most stressful moment in the shop is the

Once the metal reaches its "critical temperature"—glowing a vibrant cherry red or a searing lemon yellow—the clock starts ticking. The smith has only seconds to work before the steel loses its plasticity. To prevent the tool from snapping during use,