Motorcycle enthusiast Zim Killgore is teaching viewers a valuable lesson about car safety.

While driving down a California freeway on Sunday, Killgore sees a car ahead with a pair of colorful socks hanging out the back seat window. With a GoPro camera attached to his helmet, he rides up next to the car, reaches out and grabs the unsuspecting child's toes.

>> Read more trending stories

The kid quickly pulls his or her feet back inside the vehicle and stares at Killgore as the toe-tickler speeds past.

The video has been viewed more than 2 million times.

>> Click here to watch the video