Here's a comment I posted a year ago about the sacrificial plastic gear in a Baratza coffee grinder: https://news.ycombinator.com/item?id=27018629 https://news

Here's a comment I posted a year ago about the sacrificial plastic gear in a Baratza coffee grinder: https://news.ycombinator.com/item?id=27018629 https://news.ycombinator.com/item?id=27018629 One of the replies is a truly frightening story about people who broke the sacrificial gear in the tailgate window mechanism of their Toyota Landcruiser and machined a new one out of brass!