posted on Sep, 9 2011 @ 12:20 PM
Ceramic coffee mugs will work... on 440 stainless steel or softer... sorta...eventually, with alot of work, and hope that you dont make any
It's not for the layman... you can get a better edge with a $2 china-made kitchen stone..or a $5 ceramic rod sharpener, with 1/10 the effort and less
chance of ruining the bevel.
Odds are.. you'll ruin the knife with the mug before you get any useable results.
For example: The edge on my blades cannot be reproduced with a coffee mug.
You cannot maintain a correct bevel angle with a coffee mug.
Unless you are a seasoned knife sharpener, please don't destroy your nice blades with this method.
Knife sharpeners cost so little to begin with, there's no excuse not to own at least one.
lastly, you will most likely ruin your edge with this method.
it will work in a desparate, last resort situation, but if this is all you have to sharpen your blade in a SHTF situation, you are not prepared and
have bigger problems already.
a few more posts and I'll start posting tutorials on knife making and sharpening.. then you can all see the downside to many of these types of