1. Functional Training - Exercising daily, squeezing and releasing daily anxiety, which helps increase blood flow, while dramatically improving strength and speed in the hands, wrists and forearms2 Professional Design-The handle is equipped with soft, sweat-absorbent foam padding, which gives you a comfortable gripping experience while protecting safety 3.Applications-Unlike most training, you can perform these exercises at home, in the office, outdoors or even on the go, anywhere during travel, turning your work and downtime into a productive exercise class 4. Portable-small and convenient, easy to carry. You can put it in your pocket, purse or gym bag and use it anytime, anywhere 5. Effectiveness - Using a grip enhancer can help relieve stress. Using a grip enhancer can heal and relieve pain. It is beneficial for people suffering from arthritis, tennis elbow and carpal tunnel syndrome etc.