Vibrato freedom, up close., Finger vibrato does not mean loose fingers., The finger pad stays firm and stable on the string., Freedom comes from flexibility in the finger joints , the knuckles flex How to improve pinkie vibrato on viola? 4 Things to Check If Your Vibrato Isn't Working the Way It Should Strings Magazine How to Do Vibrato on a Violin: Beginner Techniques & Exercises The Strad Nine steps to mastering violin vibrato The Strad Learning to Play Fast The Instrumentalist