How should one properly wear bike helmets to ensure maximum safety and protection?

To properly wear a bike helmet for maximum safety and protection, follow these steps:

1. Make sure the helmet fits snugly on your head, with the front edge sitting just above your eyebrows.
2. Adjust the straps so they form a V-shape under your ears, with the buckle centered under your chin.
3. Tighten the straps so that you can fit no more than two fingers between the strap and your chin.
4. Ensure the helmet is level on your head and does not tilt forward or backward.
5. Check that the helmet does not move when you shake your head. By following these steps, you can ensure that your bike helmet provides the best protection in case of a fall or accident.