Curtain Clip

FIG. 1 is a perspective view of a curtain clip showing my new design; FIG. 2 is a perspective view thereof from another angle; FIG. 3 is a left side elevational view thereof; FIG. 4 is a right side elevational view thereof; FIG. 5 is a rear elevational view thereof; FIG. 6 is a front elevational view thereof; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. The dash-dash broken lines illustrate portions of the curtain clip that form no part of the claimed design.