How I Finish Kasumi Polish with Natural Stone - Part 4 | 天然砥石での霞仕上げ

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🔪How I get done from 200 grit to Natural stone sharpening
Part 1
• Key Points To Start Ro...
Part 2
• Flat to Convex and Fin...
Part 3
• On the way to a kasumi...
There are several methods of Kasumi Finish in kitchen knives.
Among them, we have used a natural sharpening stone for the Kasumi finish. The owner of the kitchen knife told us that he uses a natural sharpening stone when he takes care of it himself. Considering that the knife will be passed on to the user and used for a long time, we decided on this shape and sound finishing with a natural sharpening stone.
包丁研ぎ歴25年、現在は日本三代包丁産地である大阪府堺市で包丁会社に勤めているカナダ人です。
包丁における霞仕上げには、いくつか方法があります。その中でも今回は、天然砥石で霞仕上げをしております。包丁の所持者からは、ご自身でお手入れされる際に天然砥石を使われるとお話がありました。使い手に渡って、長くお使いいただくことを考え、今回の形と天然砥石での仕上げにする音にしました。
今回の研ぎでは、眞崎直樹氏の黒打牛刀を使わせていただきました。
貴重な包丁を研がせていただく機会をいただいた、包丁コレクターの友人には感謝しております。
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[ Previous Recommended Videos ]
🌟Who is Ivan?
• My 25 Years of Hand Sh...
🌟My Sharpening Work - Kurouchi Gyuto Sharpening from Blacksmith until Natural Stone Sharpening by Ivan
• Natural Stone Polishin...
🌟My Sharpening Stone - NSK Kogyo Diamond Stone
• An Introduction to NSK...
🏠NSK Kogyo Diamond Sharpening Stone - Komon
komonjapan.com/collections/ns...
Hello, we, Ivan and Yuka have a unique experience of Japan through our business and life such as rich Japanese culture, exquisite crafts, breathtaking natural landscapes, beautiful foods and exciting travel, we share what we feel through our business and our lives. By sharing such our experiences, we hope that you will enjoy through our videos!
00:00 - OP
01:48 - What this video is about
02:21 - What is Kasumi Finish
03:10 - Yoshikazu Tanaka's Kasumi Finish Yanagiba
03:41 - Four Types of Kasumi Finish
04:01 - Kasumi Finish - Natural Stone
05:07 - Kasumi Finish - Finger Stone
06:17 - Kasumi Finish - Powder
08:24 - Kasumi Finish - Sand/ Bead Blast
11:49 - I wanna use Giant Aoto
14:46 - Giant Aoto Sharpening
20:15 - How to Setup Natural Stone
26:11 - Ohira Uchigumori
27:13 - Ohira Suita1
28:33 - Ohira Suita2
30:31 - Ohira
35:55 - Finish All Sharpening
37:11 - How Do I Decide the Finish
38:35 - Knife Before and After

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Опубликовано:

27 июн 2024

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Комментарии : 47

@lacasadetoishi 18 дней назад

Thank you for sharing the process at each stage, showing the close-ups of the bevels. There's nobody on RU-vid at Ivan's skill level, so this is a treat for everybody watching the video. Great editing, great content. Please continue to share more content like this! 🙏🏼

@ivanyuka-japan 17 дней назад

Thank you for your kind words! Your support encourages us to continue sharing more videos.

@tommyle628 16 дней назад

what a treat from you to us! Crazy how you only has 2K sub, you deserve more man, really appreciate your videos.

@DJSergeotto 17 дней назад

HI Ivan, I love your videos and I really think that the content you put on the internet is extremely valuable to us knifegeeks around the world. I really appreciate the time you take to explain the different steps and techniques around what you do and what you are trying to achieve. Your polish is some of the best I've ever seen! Thank you again fror the effort you (two) are putting into those videos and I really hope you will keep creating content for us for the future. Kind regards from Bulgaria

@ivanyuka-japan 17 дней назад

Thank you so much for your kind words and support. It is an honor to receive high praise from you and it encourages me to sharpen my skills and make videos!

@Yupppi 18 дней назад

I'm upset that I didn't start watching this with afternoon coffee, it's the best time to dive in to a 40 minute video of interesting professional content. The after shots are truly showing an art form. It's beautiful. I swear that was the fastest 40 minutes I've experienced. I thought I was halfway through when Ivan said "this is the end of this series". This collection of natural stones is something like a library or museum collection. So many aren't split, cracked or chipped in a noticeably or major way it's rare for me to see. Usually you see only a few stones (speaking mainly of Japanese naturals) and even then they could be heavily split with very few being whole. The way of production takes me back to early school days when the teacher would show an educational documentary. The same vibe of comfortably casual mood and progression, but good information that's easily absorbed even for kids. It's a skill to be able to explain complicated professional stuff in a simple way. The visual production also supports so nicely the explanation. And the pacing is excellent. It's just an overall happy experience to watch it. A joy.

@ivanyuka-japan 17 дней назад

Thank you so much! Your kind words makes all these years of sharpening worth it !

@bjmsharp 18 дней назад

The perfect video to spend my morning coffee with. As always, thank you for sharing and beautiful work!

@ivanyuka-japan 17 дней назад

Thanks so much !

@yunghonyaki 17 дней назад

Thank you for another awesome video!! I preordered one of your funaki knives and I’m beyond excited to receive it. Watching this video makes that excitement grow even stronger. Can’t wait to see what’s next!

@ivanyuka-japan 17 дней назад

Thank you so much for your enthusiasm and support! I'm glad to hear you've ordered a Funaki knife. Thank you for your patience, I’m working on it and hope you’ll like it.

@yunghonyaki 17 дней назад

@@ivanyuka-japan Absolutely! I’m sure I will love it. Just like I love these videos. Thanks for all the wonderful information

@paolorabbia5989 16 дней назад

geazie .. molto istruttivo...

@scharfermax 18 дней назад

Thank you so much! This video was - as always - really informative and enjoyable to watch. I appreciated many moments: the definition of the 'kasumi' finish, the different ways to achieve this type of finish, with the one obtained by jnats being the most difficult. The motivations and reasons for choosing different stones, the comments regarding the different steps are always relevant, and some information really surprised me, especially the use of finger stones which, contrary to what I believed, is not at all a standard step in knife blade finishing in Japan... Despite the richness of the content, if I had to express one regret, it's the absence of the part I was most looking forward to: polishing the steel with a different stone than the one used for the cladding...After 35" of "teasing", I would have loved to see Ivan demonstrate and explain how to proceed, especially on the questions of pressure and maintaining the angle, which are so difficult...Maybe in a future video? In any case, a big thank you to Ivan and Yuka for the quality of these videos!

@ivanyuka-japan 17 дней назад

Thank you so much ! Yes it’s always a challenge to figure out what to include in each video as they tend to get longer and longer. We will make a note of this for future natural stone videos

@Alex25CoB 18 дней назад

Thank you Ivan and Yuka - this series was most interesting to follow and watch. I have learned so much and it's a privilege to have a master like you share you skills to all of us 🙏 I especially enjoyed the video about blade geometry!

@ivanyuka-japan 17 дней назад

Thank you so much ! This was a lot of fun to do and challenging at times to get the physical action of sharpening across in words.

@TheMegalegenden 18 дней назад

Wonderful ❤ more of these series please 🙏🏻

@levjocibuku1991 18 дней назад

By far the most enjoyable part of the whole series and can’t thank you guys enough for sharing this with us!!

@ivanyuka-japan 17 дней назад

Awesome! We also had fun sharpening and creating this video too!

@ivanyuka-japan 17 дней назад

Every part of sharpening has its own fun points, but still it is definitely the most enjoyable part where all the hard work up to that point is completed in one piece!

@levjocibuku1991 17 дней назад

@@ivanyuka-japan while not even remotely close to Ivan’s level, I share the same passion for sharpening/ polishing and usually my jnats tell me I have to go back to 400 grit 😂

@levjocibuku1991 17 дней назад

@@komonjapan maybe getting another suita is the answer 🍺

@ivanyuka-japan 17 дней назад

I know exactly how you feel, as I too sometimes get put back to the previous stone when I'm sharpening!

@paweel2494 18 дней назад

I watched everything on this channel, some videos several times. Currently I am with my Nishida Daisuke Shirogami 1 gyuto on 400 - 800 stage. I received Ohira Kiita fingerstones from a friend - I wonder what the final effect will look like on my knife. It's my first time doing this and I would like to thank you very much for providing a lot of valuable information. I hope that my work will be at least a little close to what I saw here ;)

@ivanyuka-japan 17 дней назад

Thank you so much !! We really appreciate the support !

@jjshane72 15 дней назад

Is there any chances that you'd visit the topic of polishing with a fundamental video? I've seen lots of sharpening fundamental videos but not one about polishing

@DS-pb1hh 18 дней назад

Hi Ivan, thanks so much for sharing your insights! It was most interesting! Keep going!👍🏻

@andreasjonsson8075 18 дней назад

I am a big fan of your work. I am 44 years old and two months in on my sharpening journey. There is so much too learn. Do you have any tips that you can share? 🙏🏼

@ivanyuka-japan 17 дней назад

Technique is more important than the stones when first learning, and don’t be afraid to make mistakes I’ve made many lol!

@MBR843 18 дней назад

Wow. Im blown away by the details and dedication u showed polishing someone else knife. Just out of curiosity, what was the total time u spent doing what u did for this knife?

@ivanyuka-japan 17 дней назад

Thank you, I think in total it’s about 6-8hrs

@user-xf4es7eh9y 15 дней назад

really fine work but I feel that you overcomplicate and extend it into a lengthier more involved process than required to each the same end result and I believe this is simply because you seem to enjoy it. I

@ivanyuka-japan 11 дней назад

Thanks so much for the insight into my work, for me, my work is fairly straight forward and I continually strip down the processes and refine the techniques and tools used. So what used to take for example 5 hrs can be now done in 2hrs with greater efficiency and higher quality results.

@Buchi333 4 дня назад

inspiring work ! I'm always curious how do you keep the blade from rusting sharpening for long hours ?

@ivanyuka-japan 2 дня назад

I tend to dry and check the blades often during sharpening but I also use baking Soda in water for long polishing sessions

@Doodle-.Snoozel 17 дней назад

Hey for that Ohira stone that took you 5 hours to pick. Is that a suita?

@ivanyuka-japan 17 дней назад

Yes its suita

@junior90210 18 дней назад

Amazing results. I'm curious what's the secret aside from +30 years of experience. 😅 When I'm polishing my knives, the kireha looks uniform/good up to 800-1000 grit. Above that (3000+) some strange lines and uniformities occurs. What may be my problem? Bad geometry on lower grits? To much pressure on higher grits? Bad techbiqye/angle? Mix of all the above?

@ivanyuka-japan 17 дней назад

Unfortunately no secrets just daily and relentless sharpening

@fionnhovawart9594 18 дней назад

Hey Ivan, THX for sharing your experience. It would be fine when you're provide about the knives (which steel, HRC, ...) What do thinking, how many generations can use this giant aoto😂 and can you give us an idea about the cost (I've really no idea, but it looks expensive) and the last question, after you prepared the stones you've ever checked the flatness if the surface with an straightedge🤔 Cheers from 🇦🇹

@ivanyuka-japan 17 дней назад

Thanks in the first video of this series I provide the steel and details of the knife unfortunately I don’t know the HRC of the Mazaki gyuto I think the Aoto when I fought it was about ¥200,000, and yes I check all the stones with a straight edge as well as every thing else I’m using to flatten the stones

@fionnhovawart9594 16 дней назад

@@ivanyuka-japan THX for answering, you've invested a lot of money 👍🍻 Cheers from 🇦🇹

@jrk1666 15 дней назад

Would it make any difference if one where to use a fluid other than water on the stones ? Something to reduce friction for instance like oil or windex

@ivanyuka-japan 13 дней назад

If you mean on the Japanese natural stones Oli would be detrimental to the stone as well as other liquids other than water, due to the very porous nature of the stones.