Useful Information: How to Break a Car Window Using Only a Headrest

Would you know what to do if you were ever trapped inside a car that was submerged in water? It’s a terrifying concept, but, as the recent deadly floods in Beijing demonstrate, not entirely uncommon. It turns out that you have the perfect tool to smash open your window in your very vehicle: the front seat headrests. Watch the video above to see how. While the instructions are in Japanese, the visual is self-explanatory.

[Buzzfeed]