Originally Posted By: Craigster
I use warm soapy water and an old toothbrush.


If it's just grime...an accumulation of dirt and skin oil...I'd start there. A little Dawn dishwashing liquid will cut grease pretty well.

I wouldn't use any organic solvent at all.

But if someone has "touched up" or refinished in the past, it may be a build up of finish. In which case I'd opt for a recut. An expert recut can remove just the finish and virtually no wood.