Product Description

Brand:YZLSPORTS
[Diameter]: about 8CM,Length : About 22CM
[Weight]: about 450 grams
[Material]: alloy outer ball, the ball inside the alloy, high steel inner shaft
Uses: wrist, arm strength training, prevention mouse hand, refers to the force, grip strength training, Alzheimer’s prevention
Perfect warm-up exercise equipment, especially suitable for sports people, such as golf, tennis, squash, cricket, badminton, baseball, bowling, basketball, racing
[Principle]: the use of the principle of celestial motion, rotation of the inner ball movement in the housing parallel tracks, have a strong centrifugal force, which led to the wrist and arm motion
Increase the grip fingers, arm muscle flexibility.
[Instructions]: beginner, you need the distribution of rope wrapped around the inner ball raceway, pull the rope inside a ball initial velocity, and then force the wrist to the inside ball acceleration, the centrifugal force

Skilled, can be directly struck with the thumb inside the ball, giving the ball within an initial velocity, and then force the wrist to the inside ball acceleration, the centrifugal force
Instructions 1.Insert the tip of the starter cord into the hole in the rotor sphere
2.Wind the cord up into the casing by advancing the rotor one full turn
3.A quick downward hard pull on the cord spins the rotor into gyro action
4.Rotate your wrist continuously quickly
[Note]: Do not use brute force to accelerate the inner sphere, need to use wrist force the ball inside to gently accelerate; Powerball are afraid to throw caution to dispose of broken; children 16 years of age is not recommended for use; do not use the body contact with any part of the high-speed rotation of the ball inside to prevent pinching.

Product Features

• Great way to build forearm strength and coordination,ease the shoulder ache caused by sedentary
• It’s a very nice gift for sport lovers,Perfect warm-up exercise equipment, especially suitable for sports people,Great for golfers, tennis players, bowlers, rock climbers and others
• Improve your hand, wrist, forearm and shoulder strength,great for golfers, tennis players, bowlers, rock climbers and any sport where grip strength is the key
• Impact Resistant structure with Military-grade plastic shell; Simple to start with a pull-string (included)
• Wrist, arm strength training, prevention mouse hand, refers to the force, grip strength training, Alzheimer’s prevention