FIG. 1 is a front, perspective view of a wall hook showing a first embodiment of our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, the left side view being a mirror image of the right side view;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
FIG. 7 is a front, perspective view of a wall hook showing a second embodiment of our new design;
FIG. 8 is a front view thereof;
FIG. 9 is a rear view thereof;
FIG. 10 is a right side view thereof, the left side view being a mirror image of the right side view;
FIG. 11 is a top view thereof; and
FIG. 12 is a bottom view thereof.
FIG. 13 is a front, perspective view of a wall hook showing a third embodiment of our new design;
FIG. 14 is a front view thereof;
FIG. 15 is a rear view thereof;
FIG. 16 is a right side view thereof, the left side view being a mirror image of the right side view;
FIG. 17 is a top view thereof; and,
FIG. 18 is a bottom view thereof.
The features shown in broken lines are portions of the wall hook forming no part of the claimed design. The features shown in long dash-short dash bolded broken lines indicate the bounds of the claimed design and otherwise form no part of the claimed design.