A spare tire mounting apparatus includes a mounting including a male hitch coupler and a female hitch coupler that are attached together. This technique provides an ongoing update of information content and sources while filtering out unnecessary information that is irrelevant to the user’s profile, resulting in focused availability of information to the user. In certain embodiments, actuation of an active element in the microfluidic structure is accomplished by electrophoresis, the use of an optical trap or tweezer, or the application of an electric field or magnetic field. A deflecting device is provided in the free conveying section. According to the invention, this ZeroConf process is adapted to a network topology and link layer technology. The ball has a through hole receiving the rod.