Looking for recommendations on a good lubricant for zippers, both metallic and nylon. Looking to make them easier to pull and quieter. I know some are supposed to be self-lubricating but but they can still be stff and noisy.

Not a hot button issue, but would appreciate greatly some suggestions.

Thanks,

Andy
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In a crisis one does not rise to one's level of expectations but rather falls to one's level of training.