This is the most important parenting advice, you will hear today. If you baby can't stop crying, just blast Slipknot.
Reddit user Minh1905 revealed the trick in a short video posted to the service, offering proof that a crying baby will be pleased by a little Slipknot.
We've previously seen a baby sing AC/DC, play drums and throw up the horns in an ultrasound. Babies are pretty metal.
