![This is the ball that you hear inside of Guinness Beer cans when you shake them : r/mildlyinteresting This is the ball that you hear inside of Guinness Beer cans when you shake them : r/mildlyinteresting](https://i.redd.it/0mfk6ahgn6441.jpg)
This is the ball that you hear inside of Guinness Beer cans when you shake them : r/mildlyinteresting
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LONDON, UK - OCTOBER 14, 2017: Glass of Guinness original beer on white with christmas decoration balls. Guinness beer has been produced since 1759 in Dublin, Ireland. – Stock Editorial Photo © DenisMArt #169796392
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