Violinist Aaron Rosand on how to produce a good vibrato Blogs The Strad Why Your Vibrato Doesnt SING , Arm vibrato, wrist vibratodoesnt matter if the motion never reaches the fingertip. Set the finger so the last joint can flex, then roll the pad on the string (your 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 Vibrato Tips and Exercises Violin Education by Simon Streuff