Blessing Accordion Accessory (MPC65ALLTRB) Brand: BLESSING Designs based on input from professional players Buff Dillard, Robert Dorer, and Dominick Farinacci. Blessing a household name in the world of brass instruments. Mouthpieces are designed at Blessing and made by Terry Warburton in Florida, and by Lausmann in Germany, so you are assured of a high quality product. Shank size: Large  fits large bore trombones (.547