Home / Forums / Vintage Melodicas / hohner mouthpiece / Reply To: hohner mouthpiece Reply To: hohner mouthpiece February 7, 2017 at 5:05 pm #8202 PaulParticipant Actually I may go with shellac instead. It’s well-known for being non-toxic, it sticks to anything, and I know I have some on hand. It’s fairly expensive, though. But it won’t take a lot to coat a mouthpiece.