To promote clubface rotation make sure your left hand grip is turned back enough and then take half swing concentrating on the rotation of your forearms
Put a tee in the back of the cup and hit it squarely with every putt
Position two in the Eight Step Swing is the half way back position where the club is parallel to the ground and at this point the clubface must be pointing straight up square or slightly in, players who roll the face open at this point are dead in the golf swing