Description Product Description Includes the included mouthpiece ... Eric Miyashiro signature model. Taste good, it is the mouthpiece of the lead trumpeter facing with fatigue hard to the rim. Bell ... wall thickness is thin, and adopted a yellow brass bell of the big one up of the caliber (diameter 134.4mm), and has realized the sound that combines the instantaneous force and power. In a state where no press Maruchiboa ... piston and has the same configuration as the instrument M bore but, by passing through the first to third valve slide of L bore when pushing the piston, the difference in piston reluctance It has become a unique bore configuration you less. Main tuning slide strut with the main tuning slide strut ... its own shape, it is possible to suppress the change in the sense of resistance and blowing feeling to a minimum, it is possible to improve the pot Atari subtle sound, there is work to adjust the sound.