Ikea Shelf Hook
thingiverse
A simple hook that attaches to an Ikea Bror shelf - ([link](https://www.ikea.com/us/en/p/bror-shelving-unit-black-s99471746/)) When you buy the shelf you get 3 additions screws (for extending the shelf I guess), you can re-purposed them for these hooks, they screw into any of the holes on the sides of the self. I've stored a full costco bag of onions on these hooks for a few weeks, no issues.
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