1. It will be the first time the helmet has been demonstrated in public.

2. That battle has in recent months shifted to wearing a helmet while skateboarding.

3. He had either removed or lost his helmet, leaving his head and face vulnerable.

4. It can easily attach to a helmet or bike, and can be used as a regular handheld device.

5. I picked up a pair of goggles and a mask and was urged to take a helmet too.

6. You will need one, however, if you want to attach the camera to a helmet or handlebar.

7. Williams assured flight controllers that his helmet was dry.

8. What can you do wear a helmet or stay off freeways entirely?

9. He ripped off his helmet and hurled it away before burying his head in his hand.

10. Once finished, he and his team fit us each with a tactical vest, helmet and night vision goggles.