The ornamental design for a golfclubhead, as shown and described.
FIG. 1 is a rear, heel-side perspective view of the golf club head;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a heel-side elevational view thereof;
FIG. 5 is a toe-side elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear, toe-side perspective view thereof.
The dot-dash lines depict boundaries of the claimed subject matter and form no part of the claimed design. The broken lines depict parts of the golf club head that form no part of the claimed design.