Pillow sock

Description

FIG. 1 is a left side view of a pillow sock, in accordance with an ornamental design of the present invention.

FIG. 2 is a right side view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom view thereof, in which grippers, on a bottom surface of the pillow sock, are ovalshaped.

Claims

The ornamental design for a pillow sock, as shown and described.