If you ever find yourself sitting in a surgical chair, sweating a little bit because you're about to have a 10 gauge needle shoved through your penis, it might help to know that the piercer has a bottle of sugar tablets in his drawer just in case you get light-headed.
The difference between a professional studio and a corner shop crawling with hepatitis could correlate with the number of stars each establishment earns on Yelp, but another way to tell is by counting how many pairs of latex gloves a piercer snaps on in the course of the job. The good ones should be fanatic about health, have a charming bedside manner and won't shy away from turning you away if you fail to shower before your appointment.
When it comes to pulling off some of the most difficult procedures known to the body modification industry, it also helps if your piercer has a sense of humor and steady hands. Say you want 5K worth of gold rings in your labia. Better research who in Houston already has ample experience doing that before signing up with any punk in a concert parking lot.
Here's the real deal.