Sharpening

I don't know about using it on files. Seems like it would make'em rust if you didn't neutralize it somehow. Water might be good enough.
 
It could I guess, but if you use the file it won't...

Don't let it sit in it... Just dip it and uot it with "handle" or mount down, vertically for a bit, then rinse it off in water and Hokus pokus....

It has bite as new again...
 
Does regular vinegar work? Doesn't it make the file rust???
Actually one in the same .White vinegar is just apple cider type that has been distilled .

You smash the apples in a press,squeeze out the juice,presto sweet cider . After a while the yeast from the apple skins causes it to make alcohol but the reaction continues and it turns sour,presto vinegar . If you want to stop this add some raisins and sugar ,presto apple jack .;)

I may be incorrect but I think the mild acidity of vinegar is ascorbic acid .Which by the way is an excellant glass cleaner .It actually etchs the surface of the glass microscopically . Trivia 101 .
 
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