We claim the ornamental design for a tool for a domestic appliance, as shown and described.
FIG. 1 is a perspective view of a tool for a domestic appliance showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a plan view thereof from above;
FIG. 4 is a bottom view thereof;
FIG. 5 is a side view thereof;
FIG. 6 is a side view of the opposite side of FIG. 5;
FIG. 7 is a front view thereof; and,
FIG. 8 is a rear view thereof.
The features of the design as claimed by applicants are shown in bold lines. The features shown in dotted lines are not claimed and are provided to indicate the context of the design.