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I would say use one of those brushes that are for flossing in between teeth, that’s what I use and it works great.



Use a cotton swab with some of the material plucked off to make it thinner and soak it in CAIG DeoxIT or MG Chemicals Electrosolve (you can typically buy these from Fry's / MicroCenter / online). These chemicals are made to actually clean and de-oxidize contacts.




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