Quote:
Originally Posted by JCave
Piece of scrap copper cleans them nicely. A file cleaning brush is also available. I use both but actually prefer copper.
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The "file card" I have is too course for the fine teeth of nut files. I've also used an old tooth brush as well as commercial copper-bristled brushes. I find the carpet is handy and works very well for bone, plastic and wood dust.
I haven't tried copper: thanks for the tip. It might work well for other files with metal filings, such as fret "dust".