I recently attended a Lock and Key event at Blue Martini in Brickell.
And yes, the females wear lock necklaces while the men wear keys.
The latest Orlando club to try it out, appropriately enough, is the Icebar.
Last year, the holiday was overshadowed by heavy amounts of snowfall, dampening its spirit, said Lori Crook, event coordinator of Baltimore's Lock and Key events.
Its better than sitting behind the computer to find your match. The Lock and Key format provides a great ice breaker for people to talk to each other.