Every shop ends up with a fourth shelf. The pet bowl that slides across the floor, the toy that is destroyed in an afternoon, the object that looked like a mistake in the photograph and turned out to be the thing you reach for every day.
What lands on this shelf
Two real shelves — Pets & Play and Oddly Useful Finds — plus the two shortcuts people ask for most: what arrived most recently, and what buyers kept.
Why it is not a junk drawer
A junk drawer is where things go when nobody decided. These are things that were decided and simply did not fit the other three shelves. Same test as everywhere else: it has to make the third use easier than the first.
Before you buy
Read the size and the material. Odd objects are usually odd for a reason, and the reason is usually a dimension.