Crazy Useless

Powerball (RPM Sports)

Powerball (RPM Sports)

Makes the gyroscopic wrist exerciser that spins up to enormous speeds as you rotate your hand, sold for grip training and as a desk curiosity. Some models count RPM on a built-in display.

Image from the business's own website.

Services

  • Gyroscopic exercisers
  • Digital RPM models
  • Grip trainers

Highlights

  • #gyroscope
  • #wrist
  • #desk-toy
  • #exerciser

Source: Official website. Last checked 2026-11-11. Spot an error? Tell us.

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