Check out this sneak peek of Sean O’Hair’s new TaylorMade 2013 model iron at TPC Summerlin in Las Vegas at The Shriners yesterday.
The iron is a perimeter-weighted cavity-back, but with a tour player size head and less offset. There is a slot in the sole section that is filled with a plastic/ polymer.
I have no doubt this will be called something akin to a “compression channel” which causes the face to recoil on impact creating greater distance. Nike have done in their drivers as have TaylorMade with the RocketBallz.