If you are to learn only one skill with your STU, this is it. Mastery of the art of brinksmanship is the single most effective and pleasurable technique for increasing sexual stamina. Literally, brinksmanship is the art of bringing yourself to the 'brink' and then back again, while remaining in control. A master of brinksmanship can either delay the impulse to climax as soon as it begins, or bring himself right up to the very point that one more stroke would put him over the edge. In either case, when he feels himself reaching the threshold (the brink), he begins a cool down mechanism.
The cool down can be one of 4 things...