Well, huh. That makes much more sense.
If you are feeling for a sharp, toothy, aggressive edge, the 3f works for me too. That's feeling for a very particular type of edge, not just a sharp edge. I've learned to feel that pulling a finger or thumb across the blade. I can tell instantly super sharp, from very sharp, etc.
With a more polished edge, for the 3f to work for me, the blade has to approach razor blade sharpness. But then as you say, you must be much more careful. Anything less than razor sharp and my fingers just slide. I know what would happen if I continued to press harder... All of a sudden the blade would cut and I'd suffer epidermal leakage.
If I now understand correctly, the 3f test is feeling for a very particular type of edge, not just sharpness. I guess that's sort of interesting. Rather vertical market though. Not really general public stuff. I mean, yeah, I suppose I get it.
Maybe somehow I missed just how specific a test this is. I really didn't pick that up from that dude in his bathrobe on YouTube. Maybe I need to watch the video again.
Mark, do I understand what's going on now?
Oh, and Rupert, I have a PT50B. Couldn't do without it! And why then would I care about the 3f test? For two reasons; one because it's there. Kind of like why climb the why climb the mountain thing, and two, because Mark said it works for him and I have a lot of respect for his experience. I had written it off as rather kooky, but when Mark brought it again as actually credible, it peaked my curiosity and I wanted to try and finally understand.
If I am correct, then the 3f test is widely misunderstood, and should only be for very experienced sharpeners. Even then, and this is just IMHO, there are just as effective and less creepy and possibly bloody methods. I think I may get it though. Once you know what you are looking for, it's another real quick test for very experienced fingers. But...
If you are feeling for a sharp, toothy, aggressive edge, the 3f works for me too. That's feeling for a very particular type of edge, not just a sharp edge. I've learned to feel that pulling a finger or thumb across the blade. I can tell instantly super sharp, from very sharp, etc.
With a more polished edge, for the 3f to work for me, the blade has to approach razor blade sharpness. But then as you say, you must be much more careful. Anything less than razor sharp and my fingers just slide. I know what would happen if I continued to press harder... All of a sudden the blade would cut and I'd suffer epidermal leakage.
If I now understand correctly, the 3f test is feeling for a very particular type of edge, not just sharpness. I guess that's sort of interesting. Rather vertical market though. Not really general public stuff. I mean, yeah, I suppose I get it.
Maybe somehow I missed just how specific a test this is. I really didn't pick that up from that dude in his bathrobe on YouTube. Maybe I need to watch the video again.
Mark, do I understand what's going on now?
Oh, and Rupert, I have a PT50B. Couldn't do without it! And why then would I care about the 3f test? For two reasons; one because it's there. Kind of like why climb the why climb the mountain thing, and two, because Mark said it works for him and I have a lot of respect for his experience. I had written it off as rather kooky, but when Mark brought it again as actually credible, it peaked my curiosity and I wanted to try and finally understand.
If I am correct, then the 3f test is widely misunderstood, and should only be for very experienced sharpeners. Even then, and this is just IMHO, there are just as effective and less creepy and possibly bloody methods. I think I may get it though. Once you know what you are looking for, it's another real quick test for very experienced fingers. But...

