Here's something that won't be seen everyday (and my newest addition): The ESPN Thump.
About 4 of these were made for ESPN and given to their VIPs during the 2005 Superbowl (though I've also been told only 2 exist, both of which were given to the winners of the "Superbowl Squares" game...*shrugs* don't ask me what that is). Never thought I'd come across these after being told of their existance by an Oakley rep. Thank god for eBay.