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Chain Mail Scrubbers

Can these little gadgets clean cast iron better than oil and salt?

What We Learned

The Knapp Made Classic CM Scrubber, a 4 by 4-inch square of interlinked stainless-steel rings (the “CM” stands for “chain mail”) that sells for $14.99, makes easy work of cleaning stuck-on food out of cast-iron pans. Recently, Knapp Made released a new model, the Small Ring CM Scrubber ($19.98), that is larger overall (it’s about 5 by 5 inches) and has smaller, thinner rings. To see...