Hulkerbation

While masturbating, before you ejaculate, grab your dick with your stronger hand, and squeeze very, very hard.* doing this right will cause pleasurable pain*. Continue masturbating with you're off hand and don't quit squeezing even when you are going to cum, your cum will be blocked off by your strong grip, so keep squeezing and then release your strong hand (grip) and you will jizz farther and be very accurate.