A binding assembly for generating bound documents includes a support structure that defines a floor onto which sheets to be bound are conveyed. The key fob includes a RF transmitter for communicating stored transaction information to a reader upon authentication of the user and a housing. Each control unit is designed to measure at least one operating parameter pertaining to the generator and to command the protection unit by transmission of carrier currents on the power line. In some cases, the first signal may be an acoustic signal and the second signal may be an RF signal, but this is not required in all embodiments. The appliance consists of a forearm component to maintain alignment and to provide support and stabilization for a biasing means positioned on the ulnar side of the forearm, the biasing means consisting of a double coil spring located at approximately the ulnar side of the carpus and connected to a palmar component fastened to the ulnar side of the hand. The aerodynamic positioning device utilizes controlled fluid flow via a series of discretely spaced jets that create a low pressure region beneath a signature dropping from an adjacent feeder.