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Rounding out the spine.

Wed Jan 16, 2013 7:32 pm

I did this on my gyuto and it love it!

Every time I sharpen, I roll the spine through the stones at the grip point. So much more comfortable.

Re: Rounding out the spine.

Wed Jan 16, 2013 8:52 pm

Yeah, it's kind of an essential step.

I like the "shoe-shine" method with strips of 220 grit wet/dry sandpaper.

Re: Rounding out the spine.

Sat Jan 19, 2013 2:57 pm

I cheat! I flip the spine and choil back and forth on the slack portion of my belt sander @ 220, 400, 600 :)

Re: Rounding out the spine.

Sat Jan 19, 2013 3:58 pm

watercrawl wrote:Yeah, it's kind of an essential step.

I like the "shoe-shine" method with strips of 220 grit wet/dry sandpaper.


What's that? :o

Re: Rounding out the spine.

Sat Jan 19, 2013 4:39 pm

http://www.youtube.com/watch?v=1xr21lnp1IA

1:09-1:12 shows the shoe shine motion. Basically take a strip if 220 grit sand paper or emery cloth, hold one end in each hand, have the spine of the blade up and put the sandpaper over it and move it back and forth.

Re: Rounding out the spine.

Sat Jan 19, 2013 4:46 pm

i've done this to most of my knives now. bought a cheap vise to hold it down, sandwiched between to blocks of wood and masking tape so i don't scratch anything up.

cheap files and strips of coarse sandpaper so i can do it faster. i wanna buy ear plugs coz the noise does get pretty loud when i file the spine down. cuts down on the sanding time.

i round it all out nicely with the sandpaper.

i also do this to the choil as well.

Re: Rounding out the spine.

Sat Jan 19, 2013 5:28 pm

taz575 wrote:http://www.youtube.com/watch?v=1xr21lnp1IA

1:09-1:12 shows the shoe shine motion. Basically take a strip if 220 grit sand paper or emery cloth, hold one end in each hand, have the spine of the blade up and put the sandpaper over it and move it back and forth.


Thanks. Nice video :) . I never realized it, but good shoe polishing is a craft, too.

Is sandpaper strong enough to use it this way on a knife? I image it'd break or at least crack.

Re: Rounding out the spine.

Sat Jan 19, 2013 5:36 pm

just don't twist it with your fingers and keep it straight as you pull along the length and you'll do fine. i still tend to twist it a bit so i end up tearing it up a bit. shouldn't have to worry too much as they're tough stuff. i mean you can pull them and sand with them wet or dry.

shouldn't have to put in a lot of force either. so long as the sanding surface is contacting the blade and you have enough pull on it, it'll round it down in no time.
Last edited by franzb69 on Sat Jan 19, 2013 5:37 pm, edited 1 time in total.

Re: Rounding out the spine.

Sat Jan 19, 2013 5:36 pm

The emery stuff or waterproof stuff is usually more durable than the AO stuff for wood. Look for something with a cloth backer, or look for what are known as "shop rolls".

Re: Rounding out the spine.

Sat Jan 19, 2013 5:58 pm

Stuff like this works really well. It's also a good deal for the quantity and variety you get. Comes in pretty handy to have around too. I got mine on sale before Christmas for $13.
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