Like no other sport, golf obsesses those poor souls who hope to master its subtleties and abundant complexities. One shot is hit like a dream, the next a nightmare. As a result, the game's disciples have embraced any and all techniques endorsed by pros and hackers, poets and philosophers (these days a good walk is often spoiled by tripping over a sandtrap's worth of Zen meditations and mystical tomes). But while so many have journeyed through golf's...