I used to wear a ginormous gold dragonfly (also from Mbody) in my nose, but sadly, having a job and being Professional Something-Or-Other means "getting real". This is my transition nose stud, and I love it. Here's why:
1) Screw design, Mbody is the only manufacturer of nose studs I've come across who has got the screw JUST RIGHT. The diameter of the pipe is quite thick, so you might have a bit of a fight to get it in first time round, but once it's there - it stays there. It sits flat against the inside of your nostril and doesn't budge.
2) Correct proportions. The bit which goes through your nose is just the right length, so the nose stud doesn't pinch; neither does the outer part stick out too far.
3) Flat gold disc. It's classier than a ball, very subtle, and is more effective at reflecting the light, so it glints mischievously at certain angles. Brilliant.