Large gyroscope in a suitcase.

Suitcase Gyroscope. A gyro is mounted in a suitcase. The gyro is a large aluminum disk mounted on ball bearings. The gyro is spun up using a motorized spinner, and the suitcase is then closed. When a person holds the suitcase in their right hand (with the mounting bolts towards their right leg), then turning clockwise causes the suitcase to rise up and away from them. Turning counter-clockwise causes the suitcase to rise up towards them, running into the right leg.
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