In addition both models feature an improved version of Titleist’s Active Recoil Channel technology in the sole creating more face flex particularly on low hits yielding higher launching lower spinning longer shots.
Remember the Mini came in 12° 14° and 16° models and had a 43.5″ shaft. If you want something like that a custom-fitted M4 fairway might be about right except it will probably offer even more ballspeed and forgiveness.
Most players are content to use an off-the-rack putter or rarely consider having it customized for their build or stroke. We get it — putting is a slow-motion task that lacks the dynamics of lashing long-irons and woods.