Patent ID: 8192301

Claim:
A golf club head comprising: a base surface; a rear surface: a perimeter-weighting element surrounding the base surface and comprising a top-line portion, a sole portion, a heel portion, and a toe portion, wherein each of the top-line portion, the sole portion, the heel portion, and the toe portion extend rearwardly from the base surface; a main cavity delimited by the base surface and the perimeter-weighting element, the main cavity comprising a first auxiliary cavity and a second auxiliary cavity, the first auxiliary cavity and the second auxiliary cavity are disposed within the main cavity; and a single rear insert comprising at least a first portion and a second portion, the first portion disposed in the first auxiliary cavity and the second portion disposed in the second auxiliary cavity, at least a portion of the rear insert contacting the base surface, wherein the rear insert is recessed within the main cavity inwardly toward the base surface relative to the rear surface.