Hand exerciserhelps build strength and flexibility in muscles of the hands and fingers. 【Ideal For Sports Lovers】The Finger Strengthener can improve the finger strength of athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, and violinist) and daily housework ( driving, typing, writing, working, etc.). 【6 Resistant Levels to Choose from】Silicone Guitar Finger Exerciser provides you with 6 levels of resistant levels, including 6.6LB, 8.8LB…