FIG. 1 is a front perspective view of our design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top view;
FIG. 5 is a bottom view;
FIG. 6 is a cross-sectional view taken along the line 6-6 of FIG. 2;
FIG. 7 is an expanded view of a portion of FIG. 6;
FIG. 8 is a left side view;
FIG. 9 is a right side view;
FIG. 10 is a cross-sectional view taken along the line 10-10 of FIG. 2;
FIG. 11 is an expended view of a portion of FIG. 10;
FIG. 12 is a front perspective view of a variation of our design;
FIG. 13 is a front elevational view of FIG. 12;
FIG. 14 is a rear elevational view of FIG. 12;
FIG. 15 is a top view of FIG. 12;
FIG. 16 is a bottom view of FIG. 12;
FIG. 17 is a cross-sectional view taken along the line 17-17 of FIG. 13;
FIG. 18 is an expanded view of a portion of FIG. 17;
FIG. 19 is a left side view of FIG. 12;
FIG. 20 is a right side view of FIG. 12;
FIG. 21 is a cross-sectional view taken along the line 21-21 of FIG. 13; and,
FIG. 22 is an expended view of a portion of FIG. 21.
