The important thing here is the folding. But this one seems more promising: https://www.indiegogo.com/projects/morpher-folding-helmet-technology#/ https://www.

The important thing here is the folding. But this one seems more promising: https://www.indiegogo.com/projects/morpher-folding-helmet-technology#/ https://www.indiegogo.com/projects/morpher-folding-helmet-te...