For those that believe it's “necessary” to doodle-tongue or double-tongue to play quickly. They are great techniques to practice but if you work on your single tongue and partial breaks you can
Double tonguing changing harmonic : r/Trombone
Studies & Lip Drills for Trombone by Ronka, Ilmer (Elmer) - qPress
How to Doodle Tongue on Trombone (Jazz Trombone Double Tongue vs. Doodle Tongue) - YouTube
Schiller Studio Elite Double Trigger Bass Trombone - Silver/Gold - Jim Laabs Music Store
How To Double Tongue On The Trumpet
Trombone Lesson: Double Tonguing - How To Practice And Execute It - YouTube
Douglas Yeo, trombone - MRI video 4 - slow double tongue - YouTube
The Professional's Key to Double and Triple Fanfare Tonguing for Trombone by Schaefer, August H. - qPress
Trombone Player Kiss Me I Double Tongue - Trombone Player - T-Shirt | TeePublic
Trombone lesson: Doodle Tonguing – Part 1 | Digitaltrombone
My tongue is tired now #trombone #music #musician #brass #trumpet #hor... | Trumpet | TikTok
Bb Double Tongue Practice Sheet music for Trombone, Snare drum (Solo) | Musescore.com
Double and Triple Tongue Exercises Bb Brass Instruments Sheet music for Trombone (Solo) | Musescore.com
Articulation | Trombonetools
Double and Triple Tongue Exercises for Trombone Sheet music for Trombone (Solo) | Musescore.com
New Directions in Tonguing by Burke, James - qPress