"...and it is very difficult to know what the modern day "tire" is."
And this difficulty resolves your first point about not everyone being able to make tires!
My guess at a couple of tires: bags/cases and notebooks. Every new shiny device needs a case and people seem to be carrying more than ever around with them. Paper notebooks of various types have really taken off recently.
And this difficulty resolves your first point about not everyone being able to make tires!
My guess at a couple of tires: bags/cases and notebooks. Every new shiny device needs a case and people seem to be carrying more than ever around with them. Paper notebooks of various types have really taken off recently.