Violin Vibrato Trainer A New, Easy Way To Learn Vibrato! Simply attach the Vibrato Trainer to your violin.  The adjustable pegs hold your wrist in the proper position to practice and achieve a beautiful vibrato! Fits full, 3/4 and 1/2 size violins.  Violas too! The Vibrato Trainer is available locally at Stillwater Music, All Strings Attached, or directly from Jim for $34.99. Please visit www.vibratotrainer.com for more information. Patent Pending