Bottle cap belts?

[scarywhitegirl.livejournal.com]

The memories and googling aren't getting me anywhere, or maybe I'm just searching wrong...

I've got all of my friends saving me the twist-off caps off of their beverages of choice. I want to make a belt out of them, by somehow attaching them to an existing leather (or whatever) belt. Question is, how do I get them attached? One of the guys suggested just trying to hammer the cap far enough into the leather so that it would stay, but that doesn't seem particularly permanent to me. I'm thinking more along the lines of a grommett or something, but getting that through the bottle cap and the leather would be difficult, at best.

Is there some easier way to do this that I'm just missing completely? :)