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[–] 30 points 1 month ago (10 children)
  • [–] 7 points 1 month ago (8 children)

    So do you just put your balls on top of those two red things?

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  • [–] 24 points 1 month ago (4 children)

    That's a pneumatic machine vibrator. Compressed air goes in one of those red holes and out the other, and it causes heavy vibrations. It's meant for shaking conveyors or machinery that handles dry goods and powders to spread them out evenly. Do not, under any circumstances, let your genitals get anywhere near one of those.

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