FIG. 1 is an isometric view of an embodiment of the design;
FIG. 2 a front elevation view of the embodiment of FIG. 1, the left, right and back elevation views of the embodiment of FIG. 1 being identical to the front view of FIG. 2;
FIG. 3 is a top view of the embodiment of FIG. 1;
FIG. 4 is a bottom view of the embodiment of FIG. 1;
FIG. 5 is an isometric view of another embodiment of the design;
FIG. 6 a front elevation view of the embodiment of FIG. 5, the left, right and back elevation views of the embodiment of FIG. 5 being identical to the front view of FIG. 6;
FIG. 7 is a top view of the embodiment of FIG. 5;
FIG. 8 is a bottom view of the embodiment of FIG. 5;
FIG. 9 is an isometric view of another embodiment of the design;
FIG. 10 a front elevation view of the embodiment of FIG. 9, the left, right and back elevation views of the embodiment of FIG. 9 being identical to the front view of FIG. 10;
FIG. 11 is a top view of the embodiment of FIG. 9;
FIG. 12 is a bottom view of the embodiment of FIG. 9;
FIG. 13 is an isometric view of another embodiment of the design;
FIG. 14 a front elevation view of the embodiment of FIG. 13, the left, right and back elevation views of the embodiment of FIG. 13 being identical to the front view of FIG. 14;
FIG. 15 is a top view of the embodiment of FIG. 13; and,
FIG. 16 is a bottom view of the embodiment of FIG. 13.