A vintage-style aluminum ice cube tray that makes 18 cubes. When the water is frozen solid, lift the lever handle and it cracks the ice and releases the cubes in one motion, with no twisting a plastic tray.
Heavyweight aluminum is sturdy, reusable, and won't rust. Fill to the line and freeze on a level shelf. Rinse in warm water without soap, and dry the outside before refilling.
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