Penetration Specialist; noun, A trained body piercer who is current on methods, piercing, and proper sterilization. A true Penetration Specialist sees body piercing as an art form, not just a job and goes out of their way to help their customers find piercings suitable to their anatomy and lifestyles.
Rock explained to me that the shape of my ear and my construction job made an industrial a risky choice for a body piercing. He did an awesome conch on me instead. He is a real Penetration Specialist!