Vendyl Jones said they would eat testicles from a living bull in Texas. He became a Noahide and thought who would eat a limb from a living animal an then he remembered growing up in Texas.
https://en.wikipedia.org/wiki/Rocky_Mountain_oysters https://www.israelnationalnews.com/news/96347 The below is from the article.
Famed archaeologist and Noahide leader Vendyl Jones addressed a festive banquet held for the Council members, speaking about the Seven Laws of Noah. He explained, in detail, the verses in the first eleven chapters of Genesis from which the seven laws are elucidated, saying that he always understood the first six, but never understood the law proscribing the eating of a limb of a living animal - until he remembered his cattle-branding days in Texas: "We would brand and castrate the cattle when I was young, and at night we would all sit around the campfire and eat what they called 'mountain oysters'" – the testicles of the still-living animals.