"So what does Forrest Rosin really do? In my opinion, it kind of conditions your skin and resulting consistent grip and throw. To a certain extend it does also give you extra confident. Actually, it doesn't matter if you have grip problem because I felt it can give a more stable grip. Worth a try. Its’ stickiness actually depends on individual’s hand condition. I think it helps in most cases.
In short it is a product of choice if you learn to like it. As for me, I am now more confident in my throw and able to focus more. No more fear of darts slipping of my holding"