@John Brown, re "random strangers" There's that, and where the helmet will be stored, I presume hung on the handlebars of the scooter, which may just get laid down on the ground, so the helmet will get dirty and have detritus attaching itself.
@John Brown, re "random strangers" There's that, and where the helmet will be stored, I presume hung on the handlebars of the scooter, which may just get laid down on the ground, so the helmet will get dirty and have detritus attaching itself.