(via LifeHacker)
OK, so is this an old wive’s tale or is this a real help? Learn this and other useful tips for using WD-40.
Cures arthritis. My father-in-law swears by this. He is a retired Air Force mechanic and when his knuckles and knees get grouchy he squirts them with WD-40. He says it works every time.
[tags]WD-40 tips[/tags]