As it turns out, the server should've charged us for a double, but instead charged for rocks - I.E, 'rocks pour' = 'double' in bartending language. That was not how it was explained to me at our visit...we were told they charge for the rocks. Puzzled and amused, I had to follow up w/the GM... it just didn't make sense. LOL. SO, a double vodka rocks = $17...?