Cleveland Frontline Elite RHO Slant Neck Golf Putter Most of today's putter designs place the Centre of Gravity towards the rear of the putter head and pulling the CoG backward can be problematic according to the design team at Cleveland Golf. On the new range of Frontline Elite putters Cleveland have addressed this issue by creating the face insert out of Tungsten which has helped them to position the CoG all the way at the front of the head.  Most putter designs achieve their forgiveness gains by packing weight into the back of the head which adds to the M.O.I but pushes the Ch toward the rear at the same time. with a rear-biased CoG a slight mis-hit can cause a putt to travel offline or even end up short of the hole, even if the putt...