[Brian Krashpad]

I make them out of old credit cards. or the fake ones one gets sent in the mail offering new credit cards. I cut a disk about the width of a strap, put a hole in the center (punch through with a scissors and then turn like a drill bit), placing two cuts outward so that the hole can be "stretched" for a second while forcing it over the end of the strap pin, like so:

-O-

These will eventually wear out over the years, but I keep an eye on them and replace as necessary. I haven't had one fail yet.