FIG. 1 is a perspective view showing our new design;
FIG. 2 is a first side elevational view;
FIG. 3 is a second side elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view; and,
FIG. 6 is a cross-sectional view taken along lines 6—6 in FIG. 5.