FIG. 1 is a top plan view of a lock shackle showing my new design;
FIG. 2 is a side elevational view thereof, the other side elevational being a mirror image thereof;
FIG. 3 is front elevational view thereof, the rear elevational being a mirror image thereof; and,
FIG. 4 is a bottom plan view thereof.
The broken lines are for illustrative purpose and form no part of the claimed design.