Does anyone know of a way to patch leatherette (I think it's called)
when the outer layer has been abraded away exposing the underlying
fabric?

I've been wondering if 'puff' fabric dye, or black silicone rubber, or
black silk emulsion, would do a reasonable job.

--
Windmill, Use t m i l l
J.R.R. Tolkien:- @ S c o t s h o m e . c o m
All that is gold does not glister / Not all who wander are lost