Quote Originally Posted by 12vdc View Post
I use the polyster version of case logic plus a "telon" in between the kb and screen to avoid scratching the inside surface.

Do not use palm rest or keycap covers on a Mac notebook with a Retina display - Apple Support

I also use a keyboard cover (to mitigate the crappy butterfly keyboard feel) but the article above advises against it because it can damage the AR coating of the screen.

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