JNS WIKI

About Natural Stones Why use Natural stones?  Sharpening particles of natural stones are uneven in their sizes and the resulting edge's "teeth" will also be uneven, making a knife stay sharper for a longer time as the "teeth' will dull unevenly  Natural stones dish at a much slower rate then synthetic, so a natural stone will last longer then a synthetic one and doesn't need to be flattened often. A good size natural stone will last a life-time  Natural stones remove burr easier …

How I Re handle Wa handled Knives ! Do it only on your own responsibility !!!    …

After my visit at Sword polisher in Japan  I have learned so much more about how to use Finger-stones.   So here i will like to share it with you. Just not on swords but on knives or Razors.     What you need:       Uchigomori or soft Japanese Natural Stone  Hammer  Very thin tissue paper or rise paper  Waterproof and flexible glue or Urushi  Thin blade to split your stones with      Try to …

I did not see it as a problem before now :(I been contacted from some costumers asking me about Fake Marukas ㋕正本山 on Ebay and for the first time i have seen some Fake stamped Stones been sold to overseas marked that openly !!I will cover here how to avoid to buy a fake stones or stones that is not in good quality.First of all most popular stones in Japan is Maruka Nakayama, Okudo, Karasu, KiitaSo you will see this stones been copied a lot.If you think that Japanese is to nice to fak …

Aizu is a mid-range natural stone similar to Aoto at approximately 3k to 5k grit .I was a bit skeptical about it at first because I had never heard of one. But, the results were great. I am actually in love with this stone now!!!! This is not a Kyoto stone, but one from Northern Japan. It was traditionally mined during the summer and then in winter the large stones were cut into smaller useable pieces in house.  However, one winter it was very cold outside, so all the windows were closed …

Little about Asano Mikawa Shiro Nagura  They are from Junmikawashiro minein Aichi prefecture: There are 4 stratasfrom finest to coarsestKoma, Mejiro, Tenjyou, Botanコマ ( 細 ) 、目白 ( めじろ ), 天上 ( てんじょう ) 、ボタン、And 4 grades (colours) Superior high grade, High grade, Superior selected grade, Superior grade特級上、特級、別上、上級 Koma is most fine in grit but Botan, Tenjyou and Mejiri is fine too and its not much difference for knife sharpening     Honing a Kamisori with Asano Naguras, Iwasaki, N …

Kasumi on hard Jnats is quite difficult to make but possible. You can use Hard Jants for micro-bevel or ura on Yanagi and any single beveled knives, but to make nice kasumi finish is quite difficult. The finish on Harder Jnats will be more finer and more mirror, but still with that nice distinction between hard and soft steel Some super hard stones will scratch your soft steel on knives and ruin your finish, but not all and it also depends on your techniques.  Use as little water as pos …

I do not take any preorders or custom orders for Shigefusa or Kato knives ! When i get them they will just go on website for you to buy without any notification.About Shigefusa  Mr. Tokifusa Iizuka and his two sons work diligently each day in their small workshop to produce their master pieces…Shigefusa knives. They take every care in each step of the process to ensure total perfection in every knife they make. They only use one kind of steel, which has reached perfection over ye …

About Japanese Natural Stones: Fineness and Hardness.   This is only valid for Japanese finishing stones (Tennen Toishi) not Aoto, Omura, Aizu or any other medium stones.   Many times, customers request the finest stones available for razors or knives and often ask the specific grit of these stones...Which is a very wrong way to think about Japanese natural stones in general!   Let me explain:   Japanese Natural stones do not have grit like we see in synthetic or even som …