In case you're wondering, this: is what the bar looks like when it's not in the skin.

But I explained that I didn't like the look of the flat heads and my piercer switched them out for me for free.

Most places will use something like this:
But they've found that when the bar goes straight in, then straight across, then straight back out again (like the above one which I have) there's less chance of rejection. The curve on the second one apparently is difficult for the body to accept. So that's another reason that I'm feeling good about mine.