Wooden coffee stir sticks.
Always available.
They don't conduct electricity.
Good for holding one side of a switch steady as you clean the contacts on a relay where the dirty switch is always the one buried behind the rest of the stack.
Wrap some cloth or paper towel around it to clean out sleeves etc.
Scrapes grunge off a part without scratching. (Break off the end and you have a fresh end!)
Chewing on a clean end helps you think after cleaning that damn relay didn’t solve the problem.
Also stirs coffee.
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