Flat Hair Clip

FIG. 1 is a perspective view of a first embodiment of a flat hair clip according to the present design. FIG. 2 is a front elevation view thereof. FIG. 3 is a rear elevation view thereof. FIG. 4 is a left side elevation view thereof. FIG. 5 is a right side elevation view thereof. FIG. 6 is a top view thereof. FIG. 7 is a bottom view thereof. FIG. 8 is a perspective view of a second embodiment of a flat hair clip according to the present design. FIG. 9 is a front elevation view thereof. FIG. 10 is a rear elevation view thereof. FIG. 11 is a left side elevation view thereof. FIG. 12 is a right side elevation view thereof. FIG. 13 is a top view thereof. FIG. 14 is a bottom view thereof. FIG. 15 is a perspective view of a third embodiment of a hair clip with open sides according to the present design. FIG. 16 is a front elevation view thereof. FIG. 17 is a rear elevation view thereof. FIG. 18 is a left side elevation view thereof. FIG. 19 is a right side elevation view thereof. FIG. 20 is a top view thereof; and, FIG. 21 is a bottom view thereof. The broken lines in the drawings depict portions of the flat hair clip that form no part of the claimed design.