Core sand elements are rapidly and reliably retained by driving one or more smooth surface fasteners, such as staples, nails or brads, into the core elements. The wrapping comprises a longitudinal section of a tubular, flatly folded strip provided with a flat side forming an outer side, and which forms an inner side of the wrapping, and having a longitudinal axis parallel to a longitudinal axis of the hygiene article. The first device stores, to a session for storing packet steering information, the identity of the second device and the tuple.