Exercising your gooning muscle will lead to levels of sexual euphoria you've only just gotten a taste of. You pride yourself on your self-control. But I know you can go further, harder. Maintain your composure through strict and frequent edging even when you start to shake involuntarily. This metronome training is designed to help you ride those waves, to become a better gooner. If you miss a single stroke or cum accidentally, there are consequences so proceed with caution...