In the preferred embodiment of the invention, a brake mechanism (26) for a clip attachment packaging device is movable both axially with respect to a product discharge horn (22) in order to control release of casing (28) from the horn (22) and pivotally with respect to the horn (22) in order to move out of alignment with the horn thereby permitting access to the horn for repair, replacement of casing (28), or other purposes. As a further feature of the invention, the clip attachment apparatus (34) includes a specially constructed gathering mechanism comprised of a fixed jaw (156) defining a first clip channel side or section cooperative with a movable jaw (158) defining a second clip channel side or section. The fixed jaw and first clip channel (156) are maintained in a fixed orientation in space. The movable jaw and second clip channel (158) are translatable in two directions simultaneously toward the fixed jaw (156) to thereby close about casing (28) between the jaws prior to attachment of a metal clip (149) about the casing.
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