I've found out that zipties work great as keyrings. To prevent them from tightening, I put a drop of glue at the junction point. You can't resize them once you've done that but that's okay, they can be cheaply replaced.

I've updated my keyring a little since last year. Here it is today with a Fenix L0P instead of a Photon Freedom Micro, and a USB memory drive :



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"The only easy day was yesterday."