I want to emphasize how important it is to hit your putts on your start lines. I see so many people who have breaking putts look at the cup instead of where they want to start the ball.
When I walk into a putt, I’m squaring my body up to where I want the ball to start, not the cup. Set up two yardsticks to mimic a straight putt towards your start line target and an alignment rod that will act as your target and practice hitting putts on the correct start line, allowing gravity to move the ball towards the hole instead of an adjusted stroke.