video
https://en.wikipedia.org/wiki/Headlamp
https://en.wikipedia.org/wiki/Headlamp_(outdoor)
https://en.wikipedia.org/wiki/Headlamp_washer
https://en.wikipedia.org/wiki/Headlamp_flashing
https://en.wikipedia.org/wiki/Headlam_Group
Headlamps | Amazon.com | Power & Hand Tools – Flashlights
