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Cat hair everywhere!
They also lick my hones and sharpen their claws on them, the Devon Rex goes for the Nakayama kiita and the wild cat for sandstone.

I've never tried any Jnat under running water, will do tonight!
Got a Daishi 800 Tamahagane that seems to take a really good edge to play with.

I've got some combinations that don't play well together, however light you let them touch they will scratch.
Some can be tricky and others are smooth and easy to use.
Did Maksim test them...

I've tried applying more force to make it move, then I get a "SCREEEEEECH", big scratch in my stone and blade...

Thanks Alex, that was how I figured it be to.
I have actually seen a jnat that had tiny groves carved over the surface, I believe that might be some suction control.

No it's not glazed at all, behaves the same freshly lapped and rubbed with a tomo nagura.
If I use it lapped with a DMT 325 without rubbing it smooth it works without jumping but as soon it gets...

Yeah, I do lots of experiments too, as long they don't harm the stones it's lots of fun.
About Nakayama mine I thought it was closed long ago.
To bad we can't get together and you could try my hard...

Talked to toishi.jp, they say their Otaniyama asagi kamisori should be used with slurry at all times, nagura or wa-powder.
Nakayama mine is harder to email....

Hmm, but they also scratch badly without any slurry, they can have a slurry so fine it looks like clear water but without they make a noise like a train crash.
Particles gets loose from the hone and...

Well, I've got some that won't work with water only at all, the surface of them is to fine I guess, the razor gets stuck and starts to jump.

Onimaru55 and Mainaman, I understand you've got some really nice rocks but do you not have any that don't go well with water only?

Mainaman; "not going to work well because marble is not a JNat and has different properties."

Well that was my point!

"A good finisher should be able to be use with water only, how much work...

Yes I understand "finishing" is a little fuzzy, we all have different standards, from 8K and up.
But when Iwasaki talks about the finishing honing, he says to use a pressure of 165g, that's a lot of...

Good point!

Then people could get a small piece of a good Jnat, grind of a little with the DMT on a cheap marble plate and hone away.
I've tried some set ups like that but to me it seems the...

I'll see about that, got some bad cash flow... It flows all right but only in the wrong direction!
But should you ever come by Gotland I'll show you the best Jnats in the world, well best at my...

I found exactly the same thing, a piece taken from the base stone seems not to be the best tomonagura, even tho that practice have been a "truth" for some time.
I guess what we are looking for is...

Birnando, Have you tried with different tomonaguras?

I find they all gives a little different results.
Nakayama Kiita/Asagi and a piece of Ozuko as tomonaguras were for long my favorites, that's...

Help me out here!

I've done every possible test I can think of on some fine Jnat finishers.
There is now way these stones can be of any use for honing with water only.

The rocks are; Otaniyama...