When it comes to the items you use every day, there's no reason not to make them more specific reflections of yourself. You're not a keyring guy. You're not a carabiner guy. You're... something else. You're your own, unnamed style. This helix-shaped brass wire has screw-on caps, allowing you to easily add or remove keys. It's interesting and unusual, but still completely functional and efficient, just like you.
1/8" brass wire
Both ends screw off