Carabiner

FIG. 1 is a perspective front view showing our new design for a carabiner. FIG. 2 is a front elevation view of the carabiner shown in FIG. 1 . FIG. 3 is a back elevation view thereof. FIG. 4 is a top plan view thereof. FIG. 5 is a bottom plan view thereof. FIG. 6 is a right-side elevation view thereof; and, FIG. 7 is a left-side elevation view thereof. The broken lines represent contour and rounded features and form part of the claimed design.