Originally Posted by Eggplant Jeff
My impression was that it is laced from one side all the way to the other. So the lacing pulls the sides in toward each other.
My very first trial was lacing these sides together with a cable tie, but the middle works of the seat post is really in the way. It was also asymmetrical, due to the sides not being equally stiff. I got it to work somehow, then moved on to the described OP.