The broken lines in the drawings are for purpose of illustrating environmental structure as well as portions of the design that form no part of the present claimed design. The dash-dot broken lines represent a boundary and form no part of the claimed design. The dash-dot broken lines encircle unclaimed features which may be claimed later by amendment or continuation, namely, a centrally located surface area on the head's top surface adjacent a front face portion of the head and bounded on both heel and toe sides by adjacent upper surfaces having a color which contrasts with a color of the centrally located surface area.