A gyroscope in your palm. Start the rotor and it pushes back — the faster it spins, the more resistance it generates, climbing to serious load without a single weight in the room. Wrist, forearm and grip all work at once, in one continuous motion. No batteries, no attachments, and small enough to keep in a bag or a desk drawer.
A gyroscope in your palm. Start the rotor and it pushes back — the faster it spins, the more resistance it generates, climbing to serious load without a single weight in the room. Wrist, forearm and grip all work at once, in one continuous motion. No batteries, no attachments, and small enough to keep in a bag or a desk drawer.
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