HEALLILY Guitar Finger Expander Practical Finger Sleeve Finger Force Span Practing Trainer Tool Finger Extensor Exerciser Strengthener Size M (Green)

Details

• Guitar Finger Expander Practical Finger Sleeve Finger Force Span Practing Trainer Tool Finger Extensor Exerciser Strengthener
• Plastic Hand Resistance Finger Extensor Exerciser Strengthener Trainer.
• Visible physical force adjustment, you can while practice.Exercise fingers, promote the flexibility in the hand and brain.
• Improve strength, power and speed in the fingers, palm, wrists and forearms.
• Widely used for athletes(rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis and golf) and musicians(guitar players, bass players, pianists and violinists).