go late or at times when the spa is short-handed,,,usually weekends or late before closing when the girls have gone home etc etc.
if by pure luck if no one is available or are busy, you might hit the jackpot.
i was lucky twice with that move. both at the now defunct ariel/h2o at 23rd
i saw the desk girl at ariel and that owner hottie w/ the rack when it became h20