The Dynaflex Pro Gyro takes a unique approach to grip training by using gyroscopic force that increases resistance as you spin it faster. Simply pull the starter cord to activate the internal rotor, then rotate your wrist to generate forces up to 40 lbs of centrifugal resistance. The built-in RPM counter lets you track progress, with advanced users hitting 12,000+ RPM.

Unlike static grippers, this dynamic trainer works 360 of wrist motion, strengthening often-neglected stabilizer muscles. Physical therapists recommend it for carpal tunnel relief and post-injury rehab, while athletes use it to prevent elbow tendonitis. The no-battery design runs indefinitely, and the textured surface ensures secure grip even at max speeds.

At just 7 ounces, the Pro Gyro fits in a desk drawer for quick workout breaks. Users report noticeable improvements in racket sports performance and rock climbing endurance within weeks. While it doesnt build crushing grip like traditional grippers, its unmatched for comprehensive forearm development.