If you ever need to just touch-up the edge of you knife while at home. For those of you that have wifes or girl friends, go to her make-up bag ,case or tool box and get the dimond nail file.
It works great, so good I went down and bought one for my kit, cut the handle off and it will fit just about any where, It's one of those "Why not's".

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Some people try to turn back their odometers.
Not me, I want people to know "why" I look this way
I've traveled a long way and some of the roads weren't paved