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I'm looking forward to see the final masterpiece.

I love these videos. Every time I watch a new episode, I feel like I'm taking part in some ceremony, some solemn event. The atmosphere of these videos is wonderful, it calms, inspires and makes you wait with joy for the next ones. I patiently wait for new episodes and in the meantime I watch the previous ones again :) I love watching you at work, thank you very much for sharing your knowledge with those who are interested. I'm just starting out when it comes to polishing and thinning, but after each of your videos, I feel some kind of influx of knowledge and immediately want to stand by the stones :) Warmest regards, a faithful viewer from Poland, lots of health and many wonderful and unique projects.

Really nice video! I have to say, i like the voice over part much more than the interview/speaking into the camera. I feels like the later is heavily edited and cut in the other videos which one notices. So I would you love to see more of that voice over for the future. Can you explain in more detail the different steps of this fingerstone polishing? You mostly say the name, but what is it? Special finger stone, special technique? Just the soft part? Also the hard?

Such a treat to sit down with a coffee and watch these videos. This suji is coming together so beautifully!

This yoututbe channel is pure gold

Thank you for sharing your process. The blade, the steel, the hamon, the hada and the ha-hada all look beautiful! I can't wait for the nugui and hadori finish! At the moment, I encounter the same problems with new scratches, mainly after jizuya. I startet with the standard jizuya stones from namikawa and recently switched to the nakayama narutaki koppa, producing the stones with urushi and washi paper by myself. I ground them on a diamond plate, sort them into hard and soft ones and tried to keep them as clean as as possible before using them on the ji. It doesn't matter what I do, the results are always the same: new fine scratches, visible with light coming from sideways. I know, it's a question of technice and experience, that I do not posses enough so far. My question is: how do you select the right stone for your blade? As Setsuo Taikawa wrote in his book about swordpolishing, you have to start with a soft jizuya to even out the ji from uchigumori. Then switching to the harder ones, to make the hada stand out more. As visible in your clip, you have used two differend hardnesses of narutaki. Even if I start with the softest narutaki stones and very light thumb pressure, I produce new fine scratches. Any tips and hints would help me out of my frustration. Thanks a lot and best regards from Germany! Mirco

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Wonderful watching this. Thank you for sharing.

I can't tell whether it's Sashikomi or Hadori/Kesho finish because it seems that there's a mix of the two at certain parts of the tachi. What style did he use?

Who is that speaking in the background when the sensei is talking at the front? It's disrespectful.

Very informative explanation. I’m happy to get such great advices.

There's nothing like seeing these priceless items with so much love, respect, honor, craftsmanship, and history. My love and appreciation for Japenese history & culture and, most importantly, the knives/ swords made has a overwhelming humbleness and appreciation for all Japan. Id love to purchase a Tanto & Katana from this master as there are not many true masters left. How can we make this happen [ivan]

This sharpness from a 400 grit stone complete blew me away.... I though I am decent at sharpening, apparently I have a long way to go.

Must be a quarter of a million dollars in stones!

The engraving is incredible, it almost looks like it was arc gouged or similar.

He doesn’t even know that we in the western have the worst knives compare to Japanese 😅. Low hrc, fat, geometry every time the same no one have a signature style like in Japan. You can easily detect a yu kurosaki you will definitely know that’s from him.

3:43 I drooled

WOW!!!!

HONYAKI!!!!

Can you tell me, please when I have created a burr with a 400 stone and I have a very good edge with the burr completely removed, do I have to create everytime a new burr when I move from one stone to the next stone like 800/1000/1500/2000/3000 grit stones ?

Crazy how the details come out in the steel from that stone

Natural Kaisei are hard to obtain. But a fair alternative is Aizu. I have both Kaisei and Aizu JNats so speak from experience. Nice videos. 🤩

I have heard that the Aoto isn't a super popular stone, but I LOVE my Aoto! It does indeed do a wonderful job with Kasumi finish I have found with most of the steel I use. I have to say though, mine is nowhere near as large. lol I am envious of that large stone, and would love to be able to enjoy a stone of that size! While I personally wouldn't benefit from having such a large stone, I still want one like that simply because it intrigues me. 🙂

The 100k is when you need a micro surgery of a cucumber 🥒 without leaking a single drop of water 😅like a hart surgery. The knife in the video is sharper then medical Instruments for surgery.

Do you need necessarily natural or waterstones with hand sharpening or can you an achieve the same or actually better results with a tormek t-8 ? Or with less expensive waterstones like king stones ?

I am 35 years old and now I am understand through video, that I know 10% about Japanese knives/swords. It’s very interesting to see such beautiful things. I like the calm voice and the reserved atmosphere. It 🧘‍♀️ chills me down.

So beautiful

Ivan an interesting technique I have used when sharpening straight razors and examining edges with a microscope, is sharpening with the stone under a lightly running stream of water. I was reminded of this when you spoke about putting the stone on a slight angle at the 15 minute mark to help drain excess grit off the surface. Have you ever tried this technique during your knife polishing process? It’s interesting how the surface of the stone can be the ideal grit level but then when the grit is loose on the surface of the stone excess scratching happens from clumps of grit on the microscopic level, I noticed a big difference in my polishing of razor levels with the running water technique finishing.

I always love your videos, explanations, and the tradition behind your work. You have shaped my sharpening far greater than anyone! I have a question about the bucket and powder you used. What is it, and what does it do? I have not seen you do this before? Thank you in advance! Side note, I am always in awe of your stone collection. both synthetic and natural. So many amazing stones from what I can see! I have many stones as well, but your collection is far greater and consists of far better stones than mine. One thing I do have that is exactly as yours is an Aoto, specifically the Tanaka Kyoto Tanba Aoto you have. I sealed mine due to some cracks, do you ever seal, or have any of your naturals sealed?

I followed the first parts on RUclips. Is there a completed video?

Super video thank you for sharing your knowledge.

It is humbling watching a master artwork. Please explain what the powder is that you put in the first bucket, and what it is for. Also, the wood slivers in the secound bucket of water.....I am at a lost for that purpose too.

Amazing glimpse into the art of sharpening. Meaningful and beautiful 🙏

Beautiful!

Do you every time a hair shaving test ? My wife says all the time it looked horrible when only my left arm is partially shaved and the right ist completely full of hair 😅

Hello, do you know of any swordmakers looking for an apprentice?

Thanks for sharing this unique and extremely valuable content🫶🙏🙏🙏 I was wondering what is this white powder that is added into the water? Is it some kind of soda?

I always wondered where you get such big, high quality stones from. Do your relations with sellers in Japan give you special access to the cream of the crop? I'm looking to forge a blade like that sujihiki soon, so this video is doubly entertaining. Thanks!

awesome work👍👍👍 enjoying every minute of this video ... 👌👌👌👌

I beveled my whetstones, I will try the roundover makes sense.

That stone prolly haves scoliosis now

Ivan: I am really loving this series my daily carry knife is Tamahagane and it will soon be time to touch up the finish and I am learning a lot from your work. Can you tell me what is the white powder you add to the water in the wooden bucket? Thanks Bruce

Fantastic work as usual! Can’t wait for the finger stones session and to see it come to life ❤

another brilliant and informative vid. i have a number of cheap, i.e. $400 - $1400 aus, japanese knives and you have provided much useful info over the last year or so and inspired me to see if i can get them looking less utilitarian. alas i cannot source natural stones, and would probably massacre the stones if i could. i use most of them every day to cook, but seeing how u bring out the brilliance of the metal makes me believe that using them daily does not mean they cannot look more beautiful than they currently are - regards markc

Hi Ivan, can you please explain the reason for the different angles in the wooden straightening tool?

Glad to see that mikawa from me is being put to such great use! (:

Beautiful work 🙏

Can you recommend a sample progression of stones for a high carbon steel knife, Rockwell hardness 56-58, 440c?

I thoroughly enjoyed this series. The NSK stones sure look impressive on that knife. I appreciated the nuance throughout the series in regard to the decision making processes, but I would’ve loved to have seen a bit more on the technique as you continued through this progression. Hopefully a deeper dive on that in the future. 🤞🏻

Incredible, thank you so much for sharing this glimpse into his life and workshop.