If you masturbate consistently, you probably know about these. Pensores are what happen when you masturbate too much. You develop a small red sore on your penis, and it sorta' stings when you masturbate. These are no big deal, they heal fast. However, if you keep masturbating after the sore develops, it will increase in severity and it will take longer to heal. I would recommend NOT getting these.
Damn, I masturbated so much last week, I have a pensore the size of J Los' ass!