A small video of the forging of a kamisori for left-handed, I hope you like it.
The video is in Spanish, but well ... I am not saying much, that I am going to use borax, that you have to be very methodical and in the end I let the blade cool in the forge. Little thing XD
A.Castro
https://www.youtube.com/watch?v=kLFYBFYn5sE
