FIG. 1 is a front, right, top perspective view of a barrel lock key showing my new design;
FIG. 2 is rear, bottom, left perspective view thereof;
FIG. 3 is a front, top, left perspective view showing in an alternative position;
FIG. 4 is a front, top, left perspective view thereof, showing another alternative position;
FIG. 5 is an enlarged partial front, top, left perspective view thereof, with the portion being broken away and rotated for clarity;
FIG. 6 is an exploded front, top, right perspective view thereof;
FIG. 7 is an exploded front, bottom, right perspective view thereof;
FIG. 8 is an exploded rear, top, left perspective view thereof;
FIG. 9 is an exploded front, top, left perspective view thereof, showing in environment use;
FIG. 10 is a front, top, left perspective view of FIG. 9, shown in alternative position; and,
FIG. 11 is front, top, left perspective view of FIG. 9, shown in another alternative position.
The broken lines environment in FIGS. 9-11 is for illustration and forms no part of the claimed design.