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Arm Strengthener Essential Gyroscopic Wrist and Forearm Exerciser Ball fitness Wrist Gyro Auto-start Power Ball

Sale price USD $10.40 Regular price USD $59.00

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Pump, hypertrophy, rehab, prehab and wrist/grip strength all in one: They're great for rehab and prehab regarding wrist, grip and forearms, so all grip trainers should have one on standby Correspond to 50 dumbbells of different weights.Control the speed and power with your hand, 10,000 rotational speed per minute about 48.50lb Small, compact exercise machine you can take ANYWHERE Pure mechanical wrist ball, no batteries or powersource, environmentally friendly without electromagnetic radiation, military-grade plastic shell to protect your spinner gyro ball toy. Auto start with internal pre-tensioner, incredible high speed up to 20,000 rotational speed per minute pass through testing Package 1x Forceball How to Start it 1. Pull off the plastic insulation before use. 2. Toggle the ball along the double direction arrow to the max resistance,then release it,fast enough to have the ball turn the LED on. 3. Turn your plam facing down, and slowly start to rotate, you will feel that it is scratching against the inside of the wrist ball. 4. Keep rotating with wrist then the ball will spin faster, develop a higher pitch sound. Once you feel it spinning fast enough, stop your rotate, you could feel it oscillating right in your palm.

Sale price USD $10.40 Regular price USD $59.00

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