Put a ring on it! (AKA the different types of hoops you can wear) - BodyMods
How to Insert and remove captive bead rings « Piercing :: WonderHowTo
Piercing Hoops | Piercing Mania
7mm Gauge Steel BCR With Spring-Loaded Ball
3 Ways to Put on a Captive Ring - wikiHow
Ball Closure Ring - Heart - Piercings Works
7mm Gauge Easy-Fit Steel BCR with Screw-In Ball
NSFW Male nipple piercing jewelry I was planing to get Ball Closure Ring or Circular Barbell but the piercer tell me them are hard to put in and easy to get caught