EyeLine Golf Metronome - Tour Edition You have an ideal tempo to your putting, your swing, and even your setup to the ball. Keeping it exactly the same is the challenge. The Golf Metronome Tour Edition will put you in your perfect tempo every day - regardless of stress, energy, or caffeine. Use the new Tap feature to find and set YOUR tempo. Adjust the volume or plug in your earphones. Maybe the flashing light will best jive with your senses. Perfect tempo lets you play your best... right now.