I thought this was super smart. Sometimes when I think something is super smart, others think it's obvious.
16 seconds into the video - the dowel
Then he makes "cobblestones" in cement with zip bags. Since he folds in the zip and cuts everything away afterwards, I don't understand the point of using expensive zip bags. Whatever. The idea probably has its merits?
It's really easy to get an even walking surface. I don't think it resembles cobblestones, though. Any ideas on how this could be improved aesthetically? As for laying it, of course, a skilled paver would probably think it's unnecessary work, I imagine. However, as an amateur, cobblestones are the hardest thing you can attempt-