Planet Waves Vari-Grip
D'Addario Planet Waves Vari-grip hand exerciser
Vari-Grip is the ultimate all-in-one hand, wrist, and forearm fitness tool. Safely and conveniently build strength, endurance, flexibility and coordination. Our exclusive design features comfortable over molded finger pads and allows you to adjust individual finger tension - from light to heavy - plus there's a built-in callous builder, providing all-in-one hand fitness for musicians.