an improved apparatus is disclosed in which a tensioned plastic strap loop is placed about an article . the invention includes a laterally adjustable forward guide . the guide is pivotally connected to the feed nip of the drive mechanism so as to provide a constant gap between the nip and guide . the rear end of the guide rests upon and moves with the forward gripper . thus , a guide is provided which minimizes abrasion , can receive straps of different widths , and be easily and quickly cleaned .