[QUOTE=DDAMn;9780037]
Women from island Madura, east Java, are famed for their ability to enhance sexual intercourse by the rhythmic clenching of their vaginal muscles, a technique which has been passed down through generations over hundreds of years.


on a more personal choice......i would say the indon Dayaks,
Those Long Houses they lived in were once believed to be places of wild orgies and incestuous sex, whom too have skills passed down from generations and are the 'queen of the bed' but by a mere whisker
fyi
look around....they're to be found....yes in Batam