The mobile holding apparatus has a support plate which has an upper side with a work surface and a lower side and is mounted height-adjustably on a stand. A response frame includes a white space map including information about whether each white space channel in the white space zone is occupied by an incumbent user. An enlarged fluid storage reservoir within the electrode carrier stores a treatment volume of therapeutic fluid for an extended therapeutic treatment period. The hinge is coupled to the device main body. The mold is designed with one or more cutting surfaces that compress or pinch the trim panel material to the point of severing the trim panel to form a tightly compressed and cut edge.