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- Increases forearm strength.
- helps develop the control and stability required for most 'swing' related sports.
- spinning Powerball for even 5 minutes each day will yield positive results in building massive biceps and forearms.
- Gives you stronger fingers & hands for enhanced grip.
- Massive strength increases in the wrist tendons for longer drives and harder serves.
- Powerful, symmetrical forearms for better control and stability.
Zo. 7 apr 23:48
Wristwister Power Ball
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SEK 99
