In the powerlifting world, the face-pull is a staple. For everyone else who just wants to look good, the face-pull has been all but forgotten. This is a mistake.
While the face-pull isn't an exercise that's going to add slabs of muscles to your frame, what it will do is help offset all the pressing you're doing, while at the same time working the often neglected rear delts, rhomboids, and external rotators. This is going to allow you to continue getting stronger while keeping you healthy in the long run.
If you've been reading Testosterone for any length of time, you've figured out that each article is just another piece of the weightlifting puzzle. This one's about a big piece of the puzzle, one that's often neglected: the brain.