black metal

I was just wondering should I worry about the black stuff that shows up on my DNA
I know there is another theread like this but is there a difference between all cases like this on all metal yoyos and metal rimmed yoyos

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Its the sweat build up and other tarnishing agents on your yoyo. No, you shouldn’t. It’s just a cosmetic change. If you want it cleaned, use a non acetone cleaner or water to try to rub it off.

I agree with Mage. Also, if you are getting annoyed of this, just wash your hands before you throw ;D


Im not really getting onnoyed just wondering if this damages the metal or whatever


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