10 Everyday Objects You Didn’t Know Had Hidden Features

6. The Dual Function of Car Headrests

Car headrests are a critical component of vehicle safety, designed to prevent whiplash during collisions. However, they also serve a secondary emergency function. Most headrests can be easily detached and feature pointed metal rods, which can be used to break car windows in case of an emergency. This dual-purpose design ensures that drivers and passengers have an accessible tool for escape if they become trapped. The inclusion of this hidden functionality underscores the importance of safety in automotive design, highlighting how seemingly simple features can play a vital role in emergency preparedness.