Best Brass - Mid-Shank Adaptor for Trombone – BrassClub

Adopter which enables to play large-shank trombone with small-shank mouthpiece. It should help Jazz or studio players who usually play small-shank trombone but sometimes play large-shank.

Adopter which enables to play trumpet with cornet-shank mouthpieces. A current piccolo trumpet has trumpet or cornet shank, but cornet-shank

Best Brass - Mid-Shank Adaptor for Trumpet

Bach 350 Classic Series Silver-plated Small Shank Trombone Mouthpiece with Gold-plated Rim - 6-1/2AL

ACB Pro Trombone Bundle

Small Shank trombone mouthpiece to large shank adapter 195B – Andy's Music

Mouthpieces Line-up

Mouthpiece Adaptor for Trombone – Silver Plated

Groove Series Mouthpiece for Trombone

EASTROCK Trombone Mouthpiece,Silver Plated Trombone Mouthpiece Small Shank 9BS, Trombone Instrument Accessories Vacuum Packed : Musical Instruments

Conn Christian Lindberg Trombone Gold Plated Large Shank Mouthpiece, 4CL

PATIKIL Mic Stand Adapter 1/4 Female to 5/8 Male Brass

Schilke Standard Series Small Shank Trombone

The Horn Guys - Conn Mouthpiece Shank Adapter