On the Fly
If you don’t feel like going the vintage cufflinks route, we suggest getting a bit stranger. Maybe a few feathers?
These fishing lure cufflinks (via SwipeLife) from Coto should be suitably eye-catching. There aren’t many conventions for what you need on your cuffs, and it’s far enough out of the way that it won’t intrude on your otherwise impeccable outfit. Those hooks are blunted, so they won’t chew up the inside of your suit jacket, and otherwise they’ll offer a woodsy alternative to the usual polished silver.
Now if you could just find the right lapel pin…