FIG. 1 is a top view of a lock shackle with seven flat sides;
FIG. 2 is a side view of the lock shackle shown in FIG. 1, wherein each side is a mirror image of the other;
FIG. 3 is a front view of the lock shackle of FIG. 1, wherein the front view and the back view are mirror images of each other; and,
FIG. 4 is a bottom view of the lock shackle of FIG. 1.
The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration only.