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🦾【Ideal For Sports Lovers】The gripster 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.). The perfect gift is given for athletes and musicians.🦾【Adjustable Finger Strength Trainer】Silicone guitar finger exerciser provides you with 6 levels of…