FIG. 1 is a perspective view of a guard according to our new design;
FIG. 2 is a first side view thereof;
FIG. 3 is a second side view thereof;
FIG. 4 is a first end view thereof;
FIG. 5 is a second end view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines depict portions of the guard that form no part of the claimed design. The guard includes a symbolic break along its length drawn in broken lines. The broken break lines and the area between the break lines form no part of the claimed design.