The ornamental design for a hitchcover, as shown and described.
FIG. 1 is an environmental perspective view of a hitch cover showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view with the left side being a mirror image thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing of the human face is FIGS. 1, 2, 4–6 represents environmental structure and forms no part of the claimed design. The break lines in FIGS. 1 and 4–6 indicate indeterminate length.