INNOVATIVE FOREARM STRENGTHENER YOU'VE NEVER SEEN - GD Twist Grip is an innovative workout equipment that strengthens grip, wrists, and forearm muscles with amazing convenience! It is a wrist blaster that can train your forearm muscles without weight discs like wrist rollers. You can perform wrist flexion and extension exercises by using the force of the spring at the center. You can strengthen your wrists and forearms to prevent injuries like golfers elbow and tennis elbow. ADJUSTABLE RESISTANCE, 4 in 1 RESISTANCE BAR - Why should you buy multiple bars depending on different intensity? You only need one, GD Twist Grip. Resistance can be adjusted to different levels so that it perfectly suits your level of forearm strength. You just have to turn the resistance control cap. The shorter the cap becomes, the stronger the resistance. Women and seniors can start exercising with the lowest resistance. The highest intensity is strong enough for strong men. DURABLE, HIGH-