Itinerant Air-Cooled

'74 thing. I'm replacing most of the front brake system. Master cylinder, wheel cylinders, shoes. I understand that the thicker shoe is to be the leading one. My question is that I notice the shoe ends are shaped differently and does it matter which end is up?
Simple question?

Thanks

There is an orientation that is incorrect, thus one end of the shoe shaped differently than the other. Not familiar with Thing front brakes, similar to a bus? with two cylinders?


neal