We claim the ornamental design for the clothing extension device, as shown and described.
FIG. 1 is a front perspective view of a clothing extension device showing the new design;
FIG. 2 is an exploded rear perspective view thereof;
FIG. 3 is a front perspective view thereof with the belt portion of the clothing extension device shown separately for purpose of illustration;
FIG. 4 is a rear perspective view of the belt portion of the clothing extension device;
FIG. 5 is a front view of the belt portion of the clothing extension device; and,
FIG. 6 is a plan view of the belt portion of the clothing extension device.
The belt of the clothing extension device is shown broken away in two locations in FIG. 1 and a single location in FIGS. 2 through 6 in order to indicate that a specific length of belt portion of the clothing extension device forms no part of the claimed design.