The ornamental design for a golfclubhead, as shown and described.
FIG. 1 is a top perspective view of a golf club head;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a cross-sectional view taken on line 8-8 of FIG. 2; and,
FIG. 9 is a cross sectional view taken on line 9-9 of FIG. 6.
In all of the figures, the broken lines showing a golf club head illustrates the environment in which the ornamental design is used and forms no part of the claimed design.