FIG. 1 is a front perspective view of a foldable locking device showing my new design in a folded configuration;
FIG. 2 is a right side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a front perspective view of the foldable locking device of FIG. 1 in an unfolded configuration;
FIG. 9 is a front view thereof;
FIG. 10 is a rear perspective view thereof;
FIG. 11 is a rear view thereof;
FIG. 12 is a bottom view thereof;
FIG. 13 is a right side view thereof;
FIG. 14 is a left side view thereof; and,
FIG. 15 is a top view thereof.
Broken lines illustrate features of the foldable locking device that form no part of the claimed design.