Starfrit The Rock Pan is the worse. I purchase The Rock frying pan in 2023, by 2025, The pan was no longer non stick and warped, so contacted Starfrit for warranty. They said I had improperly used the pan by using it on too high heat, hence no coverage. There was no information on the package or online that said this pan cannot be use on high heat. Lots of text on "no warping lifetime warranty" and "3 years non stick warranty." Their instructions specifically do no say you cannot use on high heat. I'm aware that most non stick pans you can't use on high heat, but the marketing info makes it sound like it's some upgraded technology. And they need to state this clearly on the package. This is marketing deception. Also, the air pocket surface traps food bits over time and that also causes loss of non stick surface. This was the worst non stick pan I'd ever used. Lasted 18 months, used not as a daily pan.
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