Description
Pull the rip-cord to start the internal gyroscope
spinning. Grip the Strength Ball and start twisting your wrist,
while controlling the gyroscopic forces!
Used and recommended by World Boxing Champion
Scott Harrison, The built-in Revometer reveals your highest
revs rating!
Used by power kiters, kiteboarders, golfers,
boxers and racket sport enthusiasts to strengthen muscles
in the wrists and forearms. It's also suitable for the whole
family, to challenge friends and purchased by gadget lovers
across the world!
Suitable for the whole family!
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Interest Finance Option
