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once you get it going your just moving your wrist and hand to keep the gyroscope inside it going. it really works your fingers hand and forearms. the gyroforce is pulling in all different direction and it beco0mes a chore just to hang onto it. its a good $20 investment.What do you do with it ?
mines does not have the handle. i use my thumb or the "karatechop" method. mine came with a dvd with instructions and stuff. its pretty neat little thing.