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      • Fender Patented Callus Builder & Finger Strengthener – Resistance Finger Exerciser for Guitar, Bass & Violin – Guitar Finger Trainer & Grip Strength Tool – Ideal Guitar & Bass Accessories (Tensions: RED=8-Lbs; BLACK=15-Lbs)

      Fender Patented Callus Builder & Finger Strengthener – Resistance Finger Exerciser for Guitar, Bass & Violin – Guitar Finger Trainer & Grip Strength Tool – Ideal Guitar & Bass Accessories (Tensions: RED=8-Lbs; BLACK=15-Lbs)

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      $29.99
      ESSENTIAL GUITAR & BASS ACCESSORY – From beginners to pros, this must-have guitar finger trainer improves strength, coordination, and endurance—perfect for daily guitar training or warm-ups before a performance.
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      Brand: Fender
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