Lansky does't make convex.

And I use "KITANO COMP Ⅰ.

This is the sharpner to make convex.

Use Waterproof sandpaper,and rubber sheet.

It's very easy.

And no needs skill.

I get sharpness of the edge to make burr

and remove it.

So, diamond fine is enough for me.

That makes burr fast.…

I used LANSKY SHARPNING SYSTEM.

And fine daimond stone.・・・・That's a merely "file",I think.

Why???

I hope・・・・・・・

May someone try it.　And may gets same result!!

That process is simple and…

That Knife is't a razor.

That is my utility knife.

And I shapened it ordinary.

That Knife can slice hair,as a result.

I don't want to slice hair.

There is no need to do…