Piano, Guitar Finger Strength Training, Exercise, Grip Strength Training; Weight: 2.5 oz (74 g); Dimensions: 34.3 x 26.8 x 9.1 inches (87 x 68 x 23 cm); If your ring finger or pinky finger is weak, it will not be able to use naturally, but this product can effectively train your ring finger and pinky finger. Place it in front of TV or in the living room for a long time. For strengthening any finger of a guitar, piano or violin You can practice anytime, anywhere. Adjustable size Constructed to fit snugly in your hand. Non-slip grip bottom
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