Artfully wiggling your garage key works for getting to your lawnmower, but it won’t do in case of an emergency. Save yourself a trip to the home center for powdered graphite lubricant and DIY your own to oil up tumbler locks.
Twist a mechanical pencil or whittle away a traditional pencil’s wood to expose a few inches of graphite. Slip the exposed graphite into the sticky lock. You can force it if needed, as it will become powder anyway. Slide the key in and out to break up the graphite and turn it in the lock cylinder to lube it for loose unlocking
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