String House Adjustable Finger Exerciser
- Lifetime-Warranty spring structure with copper nut and screw
- World First 5 pressing-keys exerciser to practice finger interval.
- Visual adjustment, you can see the change while practicing.
- Intensify your practice for specific finger with exclusive “key-hold” feature.
- Widely used for finger exercise when you play guitar, piano or orchestral instruments.
This product is used for strengthen hand and fingers for Rock-Climbing, Weight Lifting, Musical Instruments Playing(e.g. piano, guitar, violin and more), Gripping Tennis Rackets, Baseball, Basketball and for martial arts and grappling. The tension for each finger can be adjusted and varied allowing for growth as you improve your grip, hand and finger strength.
Patented design challenges each finger individually using comfortable and durable grips with copper spring-loaded finger piston technology for maximum durability.
World first five-finger pistons caters for hands of all sizes as pistons can be locked down with piston hold locks.
Also greatly improves wrist and forearm strength making it the ultimate conditioning tools for athletes, musicians, martial artists and practitioners of active sports.
100% SATISFACTION GUARANTEE
A 30 days return guarantee and a lifetime quality guarantee ensure your full satisfaction.
Lifetime Money Back Guarantee
The String House superior quality is backed by a Lifetime Money Back Guarantee and we do not charge any restocking fee. We will refund 100% of the purchase price without any questions!!!