FIG. 2 is a top plan view of the embodiment shown in FIG. 1;
FIG. 3 is a front elevational view of the embodiment shown in FIG. 1, the opposite side being a mirror image;
FIG. 4 is a bottom plan view of the embodiment shown in FIG. 1;
FIG. 5 is a side elevational view of the embodiment shown in FIG. 1, the opposite side being a mirror image;
FIG. 6 is an isometric view of a second embodiment;
FIG. 7 is a top plan view of the embodiment shown in FIG. 6;
FIG. 8 is a front elevational view of the embodiment shown in FIG. 6, the opposite side being a mirror image;
FIG. 9 is a bottom plan view of the embodiment shown in FIG. 6; and,
FIG. 10 is a side elevational view of the embodiment shown in FIG. 6, the opposite side being a mirror image.