Kamisori Tōroku Shōhyō, Yoshioka, Chobomasa, Henkotsu used

Traditional Japanese shaving blades, known as kamisori (剃刀). They are known for their asymmetrical shape - one side of the blade is flat and the other is more convex, which allows for a very precise and clean shave.

These kamisori:

1. Handmade: Most kamisori are handmade, which is also true for this one.
2. Traditional tools: Kamisori was commonly used in Japan until the mid-20th century. Nowadays, they are appreciated by collectors and traditional shaving enthusiasts alike.