The ornamental design for a golfclubhead, as shown and described.
FIG. 1 is a top, heel-side, rear 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 toe-side elevational view thereof;
FIG. 5 is a heel-side elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines depict parts of the golf club head that form no part of the claimed design. The two areas shown in stipple shading of different densities depict two areas that respectively contrast in appearance. The stippling does not represent any particular color, material, texture or finish.