a manufacturing method for producing a plurality of polymeric drawtape bags , the method including : a ) dispensing a film of polymeric pliable material ; b ) producing a web of folded and sealed polymeric panels from the film , the web including a plurality of polymeric bags having a pair of drawtapes added into a pair of hems proximate a bag opening with a series of notches produced near lateral edges of each of the hems exposing the drawtapes with a series of lateral seals applied to the exposed drawtapes within the notches ; c ) measuring a relative placement of the series of notches with respect to the seals ; and d ) providing feedback to a notch production system to improve placement of the series of lateral seals of the exposed drawtapes within the notches by accurately locating the series of notches produced along the web .