Due to it's long and mathematically perfect construction the chamber of the throat allows clear rounded tone without effort and without lipping or adjusting the notes. The NON-SLIP grip, which eliminate lip bruises and absolutely prevents the embrouchure even when wet from slipping. The CUSHION-RIM, outstanding in it's practicability, is one of the most comfortable rims available. Pressure marks and the hindrance of perfect blood circulation are an impossibility.
This mouthpiece only comes in one size (32.61 mm) but the rim makes it feel wider. Actual width is comparable to a bach 12. Double cup makes high notes easier with less strain. The double cup also makes the mouthpiece a bit heavier than other mouthpieces of the same size.