Why is performing a "head check" before changing lanes essential?

Performing a "head check" before changing lanes is essential because it ensures there are no vehicles in your blind spot. The blind spot refers to areas around your vehicle that are not visible through the mirrors. These areas can conceal other vehicles, making it dangerous to change lanes without visually confirming that it is safe to do so. A head check involves turning your head to look over your shoulder, allowing you to spot any vehicles that may be in your blind spot and to avoid a collision.

While aspects like looking confident, legal requirements, and checking for pedestrians are important in driving, they do not specifically address the primary purpose of the head check. The act of checking blind spots directly aids in maintaining safety on the road, making it a crucial practice for all motorcyclists and motorists when considering changing lanes.