When the nipples or genitals are pierced the entire are becomes more sensitive. This is a delight for some piercees. Indeed, genital piercing in America was incubated in gay Sado-Masochistic circles. Of course, genital piercing is not limited to gay Sado-Masochists. Many women have reported greater sexual satisfaction with pierced clitorises or clitoral hoods.
Men pierce their genitals for the same reason.
There are four primary piercings which men have done to their genitals. Many men have reported an increase in sexual stimulation after a piercing. Body piercing for some is a conscious act of reclamation of the body and taking it into possession as their own. The entire piercing experience is transformed into a highly spiritual event. Body piercing is seen by many to be a pain inducing ritual which can be used to attain elevated states of consciousness.