Vibrato: Does the Index finger feel "locked"? YouTube A good hand frame helps with accurate intonation, as well as shifting on the violin It is important not to change the hand frame for individual notes. Try to set up Here are the vibrato exercises I do every day. They come from Simon Fischer's wonderful book, Warming Up., Fischer's exercises show that in the end, all vibrato is finger vibrato, since without Right v's Wrong Vibrato Violin Vibrato: The Complete Guide to Technique, Exercises and Troubleshooting Violin Lounge