This ring seems like a good idea (easy to attach and remove keys), but the sharp edges (octagonal design) have already left deep scratches on my phone screen. To be honest, it's pretty hard to remember to keep your keys and phone in separate pockets. I've had the ring for about 5 days and am considering replacing my phone screen. I will replace it with a round ring of a similar design. It's quite expensive to have such a significant design flaw.
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