FIG. 1 illustrates a top view of the claimed design for a garden tool;
FIG. 2 illustrates a front view thereof;
FIG. 3 illustrates a rear view thereof;
FIG. 4 illustrates a left-side view thereof;
FIG. 5 illustrates a right-side view thereof;
FIG. 6 illustrates a bottom view thereof;
FIG. 7 illustrates a cross-sectional view thereof, taken along line A-A of FIG. 1; and,
FIG. 8 illustrates a perspective view thereof.