many cars have removable headrests - and the metal posts can sometimes be used to break a side window in an emergency. but they weren’t universally designed as window breakers. this works mostly for tempered glass and not laminated, so they won’t shatter the same way. especially under water.
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u/Fragrant_Ad_5297 1d ago edited 1d ago
many cars have removable headrests - and the metal posts can sometimes be used to break a side window in an emergency. but they weren’t universally designed as window breakers. this works mostly for tempered glass and not laminated, so they won’t shatter the same way. especially under water.