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Everbilt 8-3/4 in Zinc-Plated Steel Wall Mount Utility Brackets (2-Pack)$4.49
These are excellent for meeting a wide variety of organizing needs due to their versatile L shape. The brackets can support up to 20 lb. total and are easy to install into your wall.
Make lightweight shelves or directly hang items from the brackets to get items off the floor and made easy to find.