FIG. 1 is a perspective view of a first embodiment of the invention.
FIG. 2 is a front view of the embodiment shown in FIG. 1.
FIG. 3 is a back view of the embodiment shown in FIG. 1.
FIG. 4 is a top view of the embodiment shown in FIG. 1.
FIG. 5 is a bottom view of the embodiment shown in FIG. 1.
FIG. 6 is a left view of the embodiment shown in FIG. 1.
FIG. 7 is a right view of the embodiment shown in FIG. 1.
FIG. 8 is a perspective view of an alternative implementation of the implementation shown in FIG. 1.
FIG. 9 is a perspective view of a second embodiment of the invention.
FIG. 10 is a front view of the embodiment shown in FIG. 9.
FIG. 11 is a back view of the embodiment shown in FIG. 9.
FIG. 12 is a top view of the embodiment shown in FIG. 9.
FIG. 13 is a bottom view of the embodiment shown in FIG. 9.
FIG. 14 is a left view of the embodiment shown in FIG. 9; and,
FIG. 15 is a right view of the embodiment shown in FIG. 9.