Maybe they're not just a Morelos thing.
Maybe they're just a hot-weather-place thing.
Whatever they are, I see them everywhere!
Two iron rebar circles + 4 rebar legs + a wicked amount of vinyl rope = one very comfortable chair. It appears that everybody and their brother has at least one of these on their porch, patio, sidewalk . . . anywhere there is enough space. After all, these hot-weather states are great for sitting around for hours in a comfortable chair.
One of my friends was really excited about getting one of these beauties upon moving to Cuernavaca. However, I believe it took her roughly 6 months to find a place that sells them. How is this possible? If everyone has one, why are they nowhere to be found? Note: I've seen them sold on the side of the highway. However, as my friend is without car, stopping a bus to buy a bulky chair off the back of a truck is highly improbable. Back to Mexican Rule #1: make things as difficult as possible.
(Another note: this is not a cynical observation. Once Rule #1 is embraced, life in Mexico loses much of its frustration. For less heartburn, embrace Rule #1.)
But, back to the circle chair. My inlaws are blessed with a variety of them, and Clara has been generous enough to model to other prototypes--the baby cirle and the rocker.