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 Computerised analysis of Vengerov 's vibrato This video shows fragments from my Fix Your Vibrato course , where I break down exactly what happens in the hand, fingers, and arm., Vibrato is a complex coordination of movement , and when Vibrato techniques for large and small hands