Good but one flaw

It came in a nice package just like in the pictures. The keychain looks just as it does in the pictures. One issue I have is that I keep having to tighten the screw every now and then as it comes loose. I'm worried I will forget to tighten it and lose my keys. The good is that you can tighten it easily with your fingernail or coin. Maybe I didn't put it together correctly?

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