A machine for the manufacture of paper padding has a shaping device and a drive which is provided in a housing to pull a paper web through the shaping device and to form a piece of padding from the paper web. An optical waveguide for an optical connector includes cores, an under cladding layer, and an over cladding layer. A RFID tag value of a first RFID tagged item at an entrance of the retail establishment is read by a RFID reader, added to an entrance queue, determined as having come from the retail establishment, and ascertained to have entered the retail establishment to be returned for a refund or exchanged for a second RFID tagged item.