FIG. 1 is a front view of a clothing hanger showing my design. FIG. 2 is a right side view thereof. FIG. 3 is a rear view thereof. FIG. 4 is a left side view thereof. FIG. 5 is a bottom view thereof. FIG. 6 is a top view thereof; and, FIG. 7 is a reduced size perspective view thereof. The portions of the clothing hanger shown in broken lines form no part of the claimed design.