FIG. 1 is a rear perspective view of a mirror sock, showing a first embodiment of the new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a right-side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a rear perspective view of a second embodiment of the design;
FIG. 9 is a rear elevational view thereof;
FIG. 10 is a front elevational view thereof;
FIG. 11 is a right-side elevational view thereof;
FIG. 12 is a right-side elevational view thereof;
FIG. 13 is a top plan view thereof; and,
FIG. 14 is a bottom plan view thereof.
The broken lines showing a vehicle and mirror in FIGS. 1 and 8 and a sports logo in FIG. 3 are included for the purpose of illustrating the invention in use, and form no part of the claimed design. The broken lines round a hem of the design represent stitching.