Are there any mouthpieces similar to the early Brilhart Hard Rubber/Personaline with A-throat/Scooped sidewalls? They are getting hard to find. Surely someone is carrying the torch for this brilliant old design. I know ARB is remaking the Tonalin but I don't think they are doing the hard rubber design with scooped out sidewalls. I have a regular Personaline from the Carlsbad era without the scooped out chamber, but it doesn't quite cut it. I asked some mouthpiece guys about modding it but they said the results are usually dissatisfying.