FIG. 1 is a perspective view of a first embodiment taken from a front angle;
FIG. 2 is a perspective view of the first embodiment taken from a rear angle;
FIG. 3 is an end elevation view taken from the front of the first embodiment;
FIG. 4 is an end elevation view taken from the rear of the first embodiment;
FIG. 5 is a top plan view of the first embodiment;
FIG. 6 is a bottom view of the first embodiment;
FIG. 7 is a side elevation view of the first embodiment taken from the right side;
FIG. 8 is a side elevation view of the first embodiment taken from the left side;
FIG. 9 is a perspective view of a second embodiment taken from a front angle;
FIG. 10 is a perspective view of the second embodiment taken from a rear angle;
FIG. 11 is an end elevation view taken from the front of the second embodiment;
FIG. 12 is an end elevation view taken from the rear of the second embodiment;
FIG. 13 is a top plan view of the second embodiment;
FIG. 14 is a bottom view of the second embodiment;
FIG. 15 is a side elevation view of the second embodiment taken from the right side; and,
FIG. 16 is a side elevation view of the second embodiment taken from the left side.