Nipple clamps?

Helpful topic info on Nipple vibrators:

Nipple play?
Has anyone tried the pump on their nipples?

Vibrating Nipple Clamps
I never tried any breast toys and while browsing I decided to stop here. Does anyone have any experience with this toy?

Nipple Piercings style?
I'm going to get mine pierced soon and am looking for opinions from those who have or had theirs pierced. Straight barbell or a curved ring? Why?

Nipple clamps for beginners
I've been looking at the nipple clamps and am thinking I'd really like to try some out can anyone let me know what some of the best options for...

Tips for a Newbie for Nipple Clamps?
tips for some one who has never used which ones to start with?