KELLY Kelly / SOUND SLEEVE CONVEX-68 With Grooves for Trumpet [Year-End Clearance Sale] Care products we conducted extensive testing using

we conducted extensive testing using several existing bracing systems as examples

including the sense of sound pressure with distortion at maximum volume

L2 (Low Shelf -1

and scalloped brass nut all have an antique finish

KELLY Kelly / SOUND SLEEVE CONVEX-68 With Grooves for Trumpet [Year-End Clearance Sale] Care products we conducted extensive testing usingKELLY Trumpet Mouthpiece Sound Sleeve KELLY Tone Sound Sleeve!! Simply attach it to the mouthpiece to create a powerful sound. Weight approx. 68g Material: Stainless steel *Can also be used with regular brass trumpet mouthpieces. *Although this is a new product, there may be small scratches, dents, discoloration, etc. from the time of manufacture. *Depending on the shape of your mouthpiece, it may not be usable. Please be aware of this.