I apologize if this has been discussed dozens of times but I was wondering what to do about this. I looked for a way to search the threads but I didn't see one with a quick scan. I'm getting ready for work and don't have much time. My Performer that I've only had since this past Christmas has had the enamel chip off on the sides where the lid holder attaches to the kettle. It didn't happen at first; it was sometime this Spring that I first noticed it. I don't think I over tightened them but perhaps I did. Anyone else have this issue? And if so, is this covered by the warranty?