FIG. 1 is a front elevation view of a car seat headrest hook, showing my new design;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front, left, bottom perspective view thereof;
FIG. 8 is a front, top perspective view thereof, shown in an alternative configuration for completeness of illustration;
FIG. 9 is a right, bottom perspective view thereof, shown in the alternative configuration for completeness of illustration;
FIG. 10 is a front, right, bottom perspective view thereof, shown in a second alternative configuration for completeness of illustration; and,
FIG. 11 is a front, right, top perspective view thereof, shown in the second alternative configuration for completeness of illustration.