Mastering Wrist Vibrato on Violin: Techniques and Exercises Can someone advice me if I'm practicing this vibrato correct? A concern is that my thumb keeps rotating while I vibrate with the second finger! Thank you so much in advance, Sepalika Silva 4th Finger Vibrato, Is something many people struggle with. Make sure that your hand is relaxed and that your pinkey is strong and independent enough (do 4th finger strengthening exercises if not). What do I do with a student who is not able to keep left hand thumb on neck when doing vibrato. It wiggles around. He has large hands and also complains about first finger hitting the pegs when doing Violinist Lihay Bendayan: Fourth finger vibrato Focus The Strad