gon2seed
(and me! - Ed)
Got one basic one from Argos, 12.99; and as they say "Truly Addictive".
Don't always get mine spinning, but it don't stop me trying; even when I don't get it spinning, it improves my grip, and wrist, which is of course whey I bought the infirnal contraption!
www.powerballs.com
Don't always get mine spinning, but it don't stop me trying; even when I don't get it spinning, it improves my grip, and wrist, which is of course whey I bought the infirnal contraption!
www.powerballs.com