FiddiLink Hand Exerciser develops and maintains the strength and dexterity of your fingers, hands, and forearms. It's the perfect tool for pre-show warm-ups and maintaining conditioning while away from your instrument. The unique turning mechanism keeps you engaged and combats fatigue while providing noticeable improvements to your fretting and picking hands. Tone and train idle hands anytime, anywhere. Keep your strength and dexterity at its peak, with a highly effective tool that’s tough to put down.