Folding propellers - how much should I tighten

I waS wandering how much do I need to tighten it?
Currently it really tightened strongly and before flight I straighten manually, however I saw some videos that show loose propellers
Looking for advice on this
Thank you

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No need to tighten strongly.

If you hold the propeller on the side, the blade should not drop, but you still can move it with the finger tip.


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