The hook on the car door: 3 unexpected uses

Although its primary function is to keep the door closed, the hook also contributes significantly to the vehicle’s structural safety.

In the case of a side or frontal hit, the hook reinforces the door closure and prevents it from opening unexpectedly.
This protects occupants by preventing the door from becoming removed or the vehicle’s structure from deforming.
It also increases vehicle stability in the case of a collision by more evenly spreading the force of impact.