Just try to tell me you don't NEEEED this item:

http://www.headbadges.com/catalog/i3.html

Is this not one of the coolest necklaces you've ever seen? I love the way she used a "chain link" as a bail. This "chainring" is a Shimano 52T. Wonder if she'd make one in Campy? (hey, she says she does custom!)