These components are much harder to duplicate, and so your homebrew answer is unrealistic unless you're willing to spend lots of time cutting cards and painting little wooden blocks […]. This discussion then basically boils down to whether or not you suffer from incurable parakeetitis, which I do. I need to see all the shiny little parts, or something's missing...

Andre Agassi

The close helmet is equipped with a falling-buffe (visor), that can be lowered for more air and a better view, and raised for maximum protection by depressing or releasing a lug (shown directly below the sitter's thumb).

You mustn't blame yourself for this tragedy.