The ornamental design for a golfclubhead, as shown and described.
FIG. 1 illustrates a top side perspective view of a golf club head employing an ornamental design in accordance with the present invention;
FIG. 2 illustrates a front side view of the golf club head of FIG. 1;
FIG. 3 illustrates a back side view of the golf club head of FIG. 1;
FIG. 4 illustrates a left side view of the golf club head of FIG. 1;
FIG. 5 illustrates a right side view of the golf club head of FIG. 1;
FIG. 6 illustrates a top side view of the golf club head of FIG. 1; and,
FIG. 7 illustrates a bottom side view of the golf club head of FIG. 1.
All features illustrated in phantom line are expressly disclaimed and form no part of the claimed design. The drawings are lined for contrasting colors.