Finger Force Trainer
- The slim size allows you to put it all in one palm, compact and ultra-light design, so you can practice anytime, anywhere
- Reversible molded grip uncovers the analog strings, helping to develop and maintain the fingers of the string musicians
- Improve your strength, endurance, flexibility and coordination quickly and safely
- The soft button cap makes it comfortable to press, while it is non-slip and sweat-proof.
- Not only can you design musical instruments, but you can also practice the power of your fingers, such as computer operations, mountain climbing, yoga, games, bowling, fishing, martial arts, etc