Turns out she wanted these broccoli cuff links for her husband, who happens to be an avid motorcyclist (strictly BMWs, which sounds really familiar, Mr. Inedible being a vintage BMW
What on earth, you might ask, does broccoli have to do with BMW motorcycling? Well, everything it turns out! Her husband is a member of a group of motorcycle enthusiasts (emphatically not a motorcycle gang) that call themselves The International Order of Rolling Broccoli Riders. They even have a website! You can read all about the history of the order (which is truly international, with members from both Canada and the US), as well as learn some of their broccoli songs.
This is certainly the best broccoli-themed association ever invented!
So, when you're traveling through Canada or some of the more northerly parts of the US, be on the lookout for some really friendly guys on BMWs. You'll know it's the Broccoli Riders if they all have green thumbnails. (Or if they're wearing broccoli cuff links!)