What is shoulder check meaning?

Shoulder check is a safety maneuver performed by drivers to check the blind spots while changing lanes or turning. It involves turning one's head to look over the shoulder to check for any vehicles, pedestrians, or obstacles that may be out of the driver's view in the side mirrors. Shoulder checks are crucial to prevent accidents and ensure all-round safety while driving. It is recommended that drivers regularly perform shoulder checks in addition to using side mirrors and other safety features in the vehicle.