Stop Calling Your 4th Finger Lazy , I was told my 4th finger was lazy. The fix wasnt forceit was a habit. Do tiny reps (just a few minutes at a time): place the pinky and start the vibrato the The Strad Should vibrato exercises be practised separately from the repertoire? The Strad The Three types of Vibrato, Taught By tonebase Violin Fourth Finger Vibrato: Fingertip or Flesh? How to Develop Strong Vibrato in All Fingers Fundamental Changes Music Books & Free Lessons for Guitar and More