Non-battery & Non-electricity Powerful Wrist Bal

Specifications:

• It is an application by centrifugal force & inertia like a gyroscope.
• The balance of the rotor has been corrected by computer, so the ball has very excellent stability.
• There is a circle of silicon rubber on the surface of the ball. That can prevent the ball from sliding down to the ground, and the feeling of grasping is also better.
• The plastic material is especially durable.
• The axle is made of steel, non iron. It is not easy to be broken.
• Perfect exercise gadget for sports like golf, tennis, squash, cricket, badminton, base ball, bowling, basket ball, motocross, mountain climbing.
• Increases strength in fingers, wrists, hands , forearms, biceps, triceps, ligament and shoulders.
• Great benefit and avoid the ligament injuries for who are the typists, musicians, guitarists, pianists, drummers.
• It can make the hurt hand return to original condition by degree and rehabilitate sore muscles and joints.
• There is no any battery or electricity inside the device. it is powered by rotating the wrist, and the speed of rotation can reach over 12000 R.P.M.

Operational Guidance:

• Junior:
  - Take the product on your hand, there is an opening, insert one end of the cord into the hole in the rotor.
  - Then turn the rotor forward with your thumb, while maintaining pressure on the cord between your other fingers to make sure this is no slack as it winds up around the rotor groove.
  - When there is only about 7-8cm of the cord remaining, stop winding and hold the ball with the opening into the palm of the hand that you are going to spin the ball, the exposed rotor will be facing the ceiling at this stage.
  - Hold the cord firmly and give it a quick ,sharp rug away from the ball, be ensure that you always pull it straight out to minimize the opportunity for the cord to jam in between the rotor mechanism and the outer shell if pulled sideways.
  - Immediately turn your hand over and begin to rotate your wrist (not arm)in a slow circular motion.
• Middle:
  - Keep your finger side by side stretch your palm, be ensure use the finger's tips to move speedily the ball to make it spin as the direction shown.
• Senior:
  - Press the ball with thumb and move instantly the ball to make it spin rapidly.

PRICE:USD10.15