I have done the gluing with normal PVAC wood glue. I use with baize normal backcloth which you could attach with ironing. If cases inside is "pure wood" I first line it with thin cotton cloth or card board, thicknes less than 0,03". When attaching the baize I first cut the pieces to correct measurements and after that apply a thin and smooth glue over the surface where baize will be attac. Then I wait short time and then when the glued surface begin to be sticky I attach the cloth over it.

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