Holy cow... these are some pretty intense piercings!
While I think some corset piercings are aesthetically pleasing, I can't imagine how easy it must be to get them caught on clothing. Surface piercings are the most vulnerable to rejection by the body, and are most prone to getting accidentally torn out... ouch!
Here is the step-by-step corset piercing process:
And here is what happens when your body rejects the piercings:
Some more successful attempts can be seen below: