felt knuckles????

[Newton Hunt]

> I service an Steinway Grand, Model M, 379569, 1962, where
> all the knuckles are that white felt barrel type. 

It is more likely that is undied leather which was used for
a while.  If it is indeed felt it was experimental because
it was later that they HAD to use it.

		Newton  (and I hated history, now I are it)