Sends out tweets.
No, really, it does. Every time you unhook it. Which can be dangerous if you watch the "50 Shades of Grey" movie first. HAYY!!! But seriously, this is for a great cause - to help raise awareness for Breast Cancer. See below - and would YOU wear this?!?!?
*** NOTE *** This is Christina Aguilera in a random bra. NOT the Twitter bra. Just seemed like a good time to randomly throw in a Christina bra pic.