FIG. 1 is a front perspective view of a grout cleaning tool showing our new design;
FIG. 2 is a left side view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is an elevated bottom view thereof.
The broken line showing of the grout cleaning tool is included for the purpose of environmental structure and forms no part of the claimed design.