Metallic noise coming from props?

[HereticDroneworks]

So I've developed a notice coming from my props (I think) when landing and maneuvering.
I cannot figure it out, nothing is loose, nothing feels like it's binding.

I hope I don't end up needing to do a warranty claim...

The audio gets more noticable when I increase elevation in the video, about half way.

Any input would be welcome....
DJI? Y'all in here? Help?

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