Lock Accessory

FIG. 1 is a front view of a lock accessory in accordance with my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is an isometric view thereof; and,

FIG. 7 is another isometric view thereof.

The broken lines show portions of the lock accessory that form no part of the claimed design.