Leave it alone. Make tiny gouge marks to simulate carving or attack it with a motor-mounted wire brush. Color with permanent marker.
I'm looking for ideas on finishing a 'Natural Edge' bowl where the
> bark has come off - come off during the turning into pieces that can't
> be glued back on.
>
> I've tried blackening the edge with a torch and all it looks like is a
> torch blackened edge.
>
> What do others do when the bark isn't there, or can't be replaced?