I have no idea what

[Stephen Richard]

I have no idea what “feistaware” may be other than ceramic.  So the general requirements are to drill holes where the glass will last touch down (most often at the foot) and roughen the glazed surface to be able to take the kiln wash separator which needs to be applied before use.

Stephen Richard

blogs at: http://www.verrier-glass.blogspot.com/ and  http://www.glasstips.blogspot.com/