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Copy of Copy of Copy of Copy of Copy of Copy of Jet Tone - XO brass bore
High Register Trumpet Mouthpiece - wide back bore / Recommended to scale it up to 27mm x 27mm x 30mm
for Trumpet by smartsoon10 -
Copy of Copy of Bach 3C Modified
First mouthpiece design, will try it out and make adjustments
for Trumpet by smartsoon10