Did you know there are 3 types of vibrato? Arm, wrist, and finger vibrato each create a different sound. Which one do you think would suit your playing? Read more in my Do you feel like you are working very hard for your vibrato without results? Locking the first joint of the finger (the one closest to your nail) is one of the leading causes of limited amplitude of Learn to Free Your Left Thumb on Violin and Viola Strings Magazine Computerised analysis of Vengerov 's vibrato Violinist Lihay Bendayan: Fourth finger vibrato Focus The Strad