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wet doesn't mean you need to use water. I use wd40 in place of water when I sand the metal parts, all the benefits of wet without using water, although I'm sure that isn't a good idea on the bone....

Dremels are not at all useless tools. I use mine for all sorts of work such as, buffing small parts that may go into the razor, cutting small pieces of tubing, cutting out inlays, scribing small...