ASTRA
ASTRA Air-Stream-Trainer Alto Sax
2023 • Embouchure Trainer for Alto Saxophone
ASTRA Air-Stream-Trainer French Horn
2023 • Embouchure Trainer for French Horn
ASTRA Air-Stream-Trainer Trombone S
2023 • Embouchure Trainer for Trombone (S) and Tenor Horn
ASTRA Air-Stream-Trainer Clarinet
2023 • Eembouchure Trainer for Clarinet
ASTRA Air-Stream-Trainer Trumpet
2023 • Embouchure Trainer for Trumpet
ASTRA Air-Stream-Trainer Trombone L
2023 • Embouchure Trainer for Trombone (L)