Improvement of Leather Sheath (5)

Regarding the leather sheath, we found that if the knife is thin, it can be inserted and removed relatively smoothly, but as it becomes thicker, it becomes more difficult to insert and remove.

革サヤの改良 (5)

革サヤについて、包丁が薄い場合は比較的スムーズに出し入れができるのですが、分厚くなるに従い、出し入れがしづらくなることが分かりました。