Now here's a sharp knife

One may look at this video and gasp in awe, but an edge like that is not only going to go dull quicker, it's also a lot less durable. Still pretty cool.
 
Every knife I own is that sharp. I would expect that to be true of 85% of the members on bladeforums.com .
 
Fun fun, i love cutting phone books myself.

Japanese knives are suppose to be extremely sharp, so it's understood that it takes away durability, but we all know how to sharpen, it's all good.
Someone teach me to post videos using only a galaxy phone, as I don't own a computer.
 
thebrain said:
Every knife I own is that sharp. I would expect that to be true of 85% of the members on bladeforums.com .
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Mine aren't. I can get them that sharp, but I just don't see the percentage in it. I keep all my EDC and fixed blades sharp enough to cleanly slice paper and my kitchen knives sharp enough to easily dice tomatoes. Anything beyond that I find to be beyond the point of diminishing returns.
 
Man, that gif is making the rounds. Reddit, imgur, etc etc etc

It's cool, but not anything mystical.
 
Insipid Moniker said:
Mine aren't. I can get them that sharp, but I just don't see the percentage in it. I keep all my EDC and fixed blades sharp enough to cleanly slice paper and my kitchen knives sharp enough to easily dice tomatoes. Anything beyond that I find to be beyond the point of diminishing returns.
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Yes, accurate cost benefit analysis with which I entirely agree. [emoji41]
 
Insipid Moniker said:
Mine aren't. I can get them that sharp, but I just don't see the percentage in it. I keep all my EDC and fixed blades sharp enough to cleanly slice paper and my kitchen knives sharp enough to easily dice tomatoes. Anything beyond that I find to be beyond the point of diminishing returns.
Click to expand...

I go for cleanly slicing phonebook paper in both directions. After that I don't care. That's plenty sharp to cut anything I need to cut.
 
As I always say : You know your edge is sharp when as you bring it to your arm to shave hair the hair leaps off your arm before the edge ever gets to 'em. That's truly "Scary Sharp".

Geometry of the edge is huge though for performing tricks like that.

My box knife I sharpened the edge to where it would easily shave curls off a single hair . . .
I'm still not good enough for the leaping hair thing . . .

but after one or two boxes that level of sharpness was gone. After a couple of weeks the blade won't shave at all but because it is one of Stanley's old school thin blades (0.4 mm thick ) it still cuts double wall corrugated boxes like a champ. Of course I rounded the transition between the grind bevel and the side of the blade.

One thing to note in the video is how the edge is cutting straight down rather than angling off. Once an overly thick blade back gets in the act it starts to steer the edge. That's why I like thin flat ground knives.
 
ALLHSS said:
Man, that gif is making the rounds. Reddit, imgur, etc etc etc

It's cool, but not anything mystical.
Click to expand...

I think it is mystical to the average Joe; the huddled masses with kitchens full of dull knives.

When I first saw it though my first reaction was, "Neat party trick! I bet a lot of my knives could do that too."
 
Hadn't seen the video until now. Honestly was expecting something a bit more flashy, like the rubber band thing or something like that.

I'll have to scrounge up a phonebook somewhere and give this a try. I tend to sharpen my knives of they can't cleanly slice paper. I sharpen most to where it will shave my forearm, and if I have more time/am bored, I'll go until I can whittle a few pieces of a beard hair. Admittedly, I've never tried this trick, so I'm not sure how one of my edges would compare.

Looks fun though.
 
when i first got an edgepro, i went crazy with mirror polished edges. i was cleanly slicing toilet paper, anything. but i never really found a need to slice toilet paper and for general use i didn't want to use them because of the work involved in getting that edge back. now i'm happy with a medium to fine diamond finish and a few passes across an old loaded belt.
 
[video=youtube;ZGGH99CytV8]https://www.youtube.com/watch?v=ZGGH99CytV8[/video]
 
nwmetalbug said:
So lets see your video doing it
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Why should he have to prove anything to you? Lol!

It really doesn't take much to make a knife sharp. It takes about 10-20 minutes to make an edge carve hair...

EF18C236-02B3-40F6-B0C1-426DD2B71D91_zpspgrwu4hs.jpg
 
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