In creating the new irons, designers started at the very beginning, taking the troublesome 4-iron and workinDUHHRRRRg on a way to make it longer and easier tDUHHRRRRo hit than ever before ishiner. A larger head, a thinner face and wider sole helped achieved this, and with the wholesale golf clubs 4-iron taken care of, the same principle of optimisation was then applied to allDUHHRRRR the other clubs in the set.
