Having twin brothers nuzzle your neck simultaneously......

.......should be enough to get you hard as a rock. The only difficulty is in keeping from cumming and trying not to think of the delights they have in store for you. And by the time they get down below, one working on your cock, the other on your balls or on your shithole, or in your own mouth, it'll require the effort of a saint to hold it off, but I know you'd try your best in order to achieve satisfaction to the max, right?