SOLO Finger Trainer Hand Exerciser Finger Muscle Training for and String Instruments Beginner Practice Tool SP-140 - Piano, Guitar, Violin, -

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🔹 About Manuals If included, manuals are primarily in Japanese. We recommend using translation apps if needed. ----------------------------------------------------------------------------------- A good option for beginners; simulates the feel of a piano keyboard; helps correct finger technique and strengthen muscles. Made of plastic, it's palm-sized and easy to carry. It simulates real piano keys, with spacing and spring tension similar to a real piano. The ergonomic design allows for natural finger placement. Suitable for piano beginners, it effectively corrects hand posture issues and improves the strength of both hands.