The base idea is so simple that it is amazing that noone thought about it before, if it works it could revolutionize a large part of manufacturing, but the vide

The base idea is so simple that it is amazing that noone thought about it before, if it works it could revolutionize a large part of manufacturing, but the video simply dosn't look "right" (the actual fabric seemingly does not advance while being sewn and at around 0:25 it is clear that the fabric doesn't and cannot advance because of the interference with the sewing machine).