If you've ever stood around the practice green at a PGA Tour event, you've likely seen players using a thin string as they putt. It’s called a start-line string or an alignment string, and it's one of ...

Walking down a PGA Tour driving range almost feels like swimming through an ocean: Surrounded by lots of different kinds of fish, moving in all directions, each chasing something slightly different.

Alignment is the quiet foundation of good putting. You can have a smooth stroke and perfect speed, but if the putter face and your body aren’t aimed where you intend, the ball will start offline and ...