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ffatty  ·  251 days ago  ·  link  ·    ·  parent  ·  post: How Do I Escape a Submerged Car? (In Case You Were Wondering)

I've heard that the pointy tips on the bottom of removable headrests are made with very hard points, designed to easily break windows in an emergency.

Could be a false rumor though, I'll try and find a source link in a minute when I'm able.

Edit: Apperently it wasn't a design intention but it is effective

https://www.snopes.com/fact-check/car-headrests-emergency-escape/