Return training
In the past, it was said that the details of how swordsmiths made swords were a secret, but these days you can often see them on DVD.
In general, most modern swordsmiths
1.Mizuheshishi
2. Stack boiling
3. Lower training
4. Upper training
5. Built-in
6. Sonobe
7. Fire making
8. Quenching
However, it is not known whether this method was also practiced during the Kosword period as there is no documentation.
At least, this method is said to have been compiled into a book by Masahide Suishinshi, who advocated the revival of old swords, at the end of the Edo period.
By soaking in water, impurities are removed and it becomes a uniform base iron, but on the other hand, it does not have the texture of an old sword, but I feel that it has a texture with many grains and is not very interesting. To do.
At the Yusuke Forge, you will directly train the sword without using water.
鉧の鍛接
Forge welding the sword to the lever rod
Although old swords are made of soft iron, they are sensitive to hardening, and if the hardening temperature is slightly lower, effects such as "reflection" can easily occur, and even in the base iron, incompletely reduced parts and impurities remain. Because of this, it actually appears as a distinctive skin pattern.