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WonderThumb Violin and Viola Teaching Aid - XXL size, Blue


Get used to playing with a relaxed hand with Wonderthumb, a unique left-hand aid. By residing in the ''Mouse House'', Wonderthumb keeps the neck of the instrument in the correct position, while keeping your fingers free to play. Use Wonderthumb to open up your left hand and maintain proper form!

Extra Extra Large (XXL) size - fits thumbs 70mm to 75mm in circumference

  • For Violin or Viola
  • Made in USA

WonderThumb Sizing Sheet