Rubber Violin Bow Posture Corrector 4/4-3/4 Violin Bow Grip Partner Student

Label:Yes Large:100 x 15 x 15mm/3.94 x 0.59 x 0.59" Small:80 x 10 x 10mm/3.15 x 0.39 x 0.39" Medium: 95 x 15 x 15mm/3.74 x 0.59 x 0.59" Packages:1PC Violin Bow Posture Corrector Application: for violin Colour: Black Net weight: 5g/ 4g/ 3g Material: rubber

About the product Flexes thumb to touch intersection of frog and stick Supports curved pinky Postions index finger to rest on bow Fingers still contact bow in all the customary places Universal Fit -- for child to adult hand sizes