The ornamental design for a golfclubhead, as shown and described.
FIG. 1 is a rear, heel-side, bottom perspective view of the golf club head;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear, toe-side, bottom perspective view thereof; and,
FIG. 5 is a cross-sectional view thereof taken along line 5-5 in FIG. 2.
The dot-dash chain lines depict boundaries of the claimed subject matter, and thus form no part of the claimed design. The broken lines depict unclaimed parts of the golf club head, and thus form no part of the claimed design.