![Polymers | Free Full-Text | Design, Manufacturing and Acoustic Assessment of Polymer Mouthpieces for Trombones Polymers | Free Full-Text | Design, Manufacturing and Acoustic Assessment of Polymer Mouthpieces for Trombones](https://www.mdpi.com/polymers/polymers-15-01667/article_deploy/html/images/polymers-15-01667-g001.png)
Polymers | Free Full-Text | Design, Manufacturing and Acoustic Assessment of Polymer Mouthpieces for Trombones
![Amazon.com: Btuty Alto Trombone Copper Mouthpiece Mouth Piece 6.5AL trombone mouthpiece (gold) : Musical Instruments Amazon.com: Btuty Alto Trombone Copper Mouthpiece Mouth Piece 6.5AL trombone mouthpiece (gold) : Musical Instruments](https://m.media-amazon.com/images/I/51nCGcmAHML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Btuty Alto Trombone Copper Mouthpiece Mouth Piece 6.5AL trombone mouthpiece (gold) : Musical Instruments
![Amazon.com: Student Trombone Mouthpiece Small Shank Sizes 6 1/2 AL and 12C (6 1/2 AL) : Musical Instruments Amazon.com: Student Trombone Mouthpiece Small Shank Sizes 6 1/2 AL and 12C (6 1/2 AL) : Musical Instruments](https://m.media-amazon.com/images/I/41if3YHYv6L.jpg)
Amazon.com: Student Trombone Mouthpiece Small Shank Sizes 6 1/2 AL and 12C (6 1/2 AL) : Musical Instruments
![Amazon.com: BACH Trombone Mouthpiece (3505GS),Medium Cup Depth, 25.50mm Cup Dia. : Musical Instruments Amazon.com: BACH Trombone Mouthpiece (3505GS),Medium Cup Depth, 25.50mm Cup Dia. : Musical Instruments](https://m.media-amazon.com/images/I/21oaQQmgOrL._AC_UF894,1000_QL80_.jpg)