Curtain ring hair tie holder
Curtain rings sound pretty single-purpose-y, but their circular design and clip can help with a million different tasks at home. For instance, you can keep your hair ties bundled up in a slip-proof curtain ring. You will have to intentionally open the clasp to get at the ties, ensuring they no go missing again.
Or you can use a curtain ring as a keychain for your keychain. That way your keys will be easier to spot from afar. Curtain rings also work exceptionally well at keeping rolled-up documents safe and secure. And these are only four suggestions out of the million different purposes of a curtain ring!