Makes me wonder even more about what is in McDonald’s “food”
In 2015 A customer complained after making the discovery at an Osaka outlet in August. McDonald's said an independent probe had found it was a human tooth.
https://www.bbc.com/news/world-asia-30706243
In 2018 KANAZAWA (THE YOMIURI SHIMBUN/ASIA NEWS NETWORK) - Pieces of solid objects found in a McDonald's Sausage McMuffin with Egg sandwich in the fast-food giant's Kanazawa-Arimatsu outlet
Japan? Sounds like the Yakuza putting people through a meat grinder.