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A joy buzzer (also called a hand buzzer) is a practical joke device that consists of a coiled mainspring inside a disc worn in the palm of the hand. When the wearer shakes hands with another person, a button on the disc releases the spring, which rapidly unwinds creating a vibration that mimics an electric shock to the unsuspecting victim.
History, Related device variations & Overview
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Joy buzzer | related to history | The | 0.60 | section |
| Joy buzzer | related to history | Soren Sorensen | 0.60 | section |
| Joy buzzer | related to history | Sam | 0.60 | section |
| Joy buzzer | related to history | Adams | 0.60 | section |
| Joy buzzer | related to history | Adams Co | 0.60 | section |
| Joy buzzer | related to history | It | 0.60 | section |
| Joy buzzer | related to history | The Zapper | 0.60 | section |
| Joy buzzer | related to history | Dresden | 0.60 | section |
| Joy buzzer | related to history | Germany | 0.60 | section |
| Joy buzzer | related to history | In | 0.60 | section |
| Joy buzzer | related to history | Patent Office | 0.60 | section |
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