I hear that when fingers build calluses, left and right hand pizz get easier. I'll never know. I've tried everything. My fingertips have the texture of a soft boiled egg. But I try to stay in rhythm Developing Violin Vibrato The Instrumentalist Born Free Visualizing Vibrato How to Develop a Finger Vibrato #violintechnique Common Vibrato Mistakes to Avoid , 1 Holding the Violin Neck with Your Wrist Let your hand relax, avoid gripping with your wrist, and allow for smooth vibrato movement., 2 No Vibrato Tips and Exercises Violin Education by Simon Streuff