To date, Natalie Gulbis has won only once on the LPGA Tour - the 2007 Evian Masters. She was wielding a uniquely effective putter that week, a flat stick she used not only in that lone victory, but also in a runner-up performance, an additional third-place showing, and a total of five Top-10s that season. The Hammy is the name of the putter that was instrumental in her success that banner season, the brainchild of a Chicagoan and scratch golfer named Jim Alvarez. The inventor/entrepreneur logically deduced that standing perpendicular to one’s putting line, which is how anyone using a conventional, ...