electronic price label holder the deck has a front deck portion and a back deck portion the electronic price label holder is supported by the front deck portion the label holder also has a back wall extending between a top wall and a bottom wall to form a retention channel the back wall includes a hinge structure such that an entrance opening in the retention channel is expandable and retractable for receipt of electronic price labels application_number US 74883007 A description referring now to fig1 one embodiment of a channel 10 a k a label holder is illustrated in the illustrated embodiment the channel 10 is generally roll formed however stamping or other known metal working methods or techniques may also be employed to form tabs apertures or other features in fig1 the rolled formed channel 10 is fashioned from a metal suitable for use in the roll forming process such as for example steel and aluminum as those skilled in the art know roll forming is a process that takes metal sheet usually in coils and passes it through a series of roller dies that progressively form the metal into the required profile or shape the roll forming process can save money since some operations typically considered as secondary can be combined in the roll forming operation as shown the rolled form channel 10 comprises a deck 12 a plurality of deck apertures 14 and an electronic price label holder 16 the deck 12 generally includes a front deck portion 18 and a rear deck portion 20 except for part.