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