The ornamental design for a massageappliance, as shown and described.
FIG. 1 shows a front view of a massage appliance showing my new design;
FIG. 2 shows a rear view thereof;
FIG. 3 shows a top view thereof;
FIG. 4 shows a bottom view thereof;
FIG. 5 shows a right side view thereof;
FIG. 6 shows a left side view thereof;
FIG. 7 shows a cross-sectional view thereof, taken along line A-A in FIG. 3; and,
FIG. 8 shows an enlarged cross-sectional view thereof, taken along line B-B in FIG. 1.
Each article is a stick-shaped massage appliance of which one end has a spiral shape, and the other end is curved in the opposite direction of the spiral shape; a plurality of slit-shaped through holes are arranged on the article from one end to the other.