While the advanced stats takeover of golf has undermined the old adage, "Drive for show; putt for dough," it's still true that putting makes a huge difference in our scores. A hot flatstick can keep a mediocre ballstriking round from going completely off the rails—and can turn a solid round into the best round of your life. And while we all want to dial in the short range putts (that are relatively easy to practice indoors), how can you practice lag putting the long one's in your house? Bir