  theresa berkley or berkeley (died september 1836) was a 19th-century english dominatrix who ran a brothel in hallam street, just to the east of portland place, marylebone, london, specialising in flagellation. she is notable as the inventor of the "chevalet" or "berkley horse", a bdsm apparatus. == career as a dominatrix == thumb|220px|right|the berkley horse theresa berkley ran a high-class flagellation brothel at 28 charlotte street (which is today's 84â94 hallam street).pentelow, mike, & marsha rowe, characters of fitzrovia, felix dennis, pimlico, 2002, p. 97 footnote. she was a "governess", i.e. she specialised in chastisement, whipping, flagellation, and the like. she invented the "berkley horse", an apparatus that reportedly earned her a fortune in flogging wealthy men and women of the time.simons, g. l. (1974), the illustrated book of sexual records, repr. random house value publishing, 1983, isbn 0-517-42800-8, p. 125, quoted by  there are no artworks depicting what theresa berkley looked like, and occasional descriptions usually report that she was attractive, with a strong disposition. an expert with all instruments of torture, her talents became highly sought after by the aristocracy of the day. she was a master of the art of inflicting pain for pleasure, and practised absolute privacy to protect her clientele. her clients were said to have been both men and women of wealth, and her career was financially lucrative.hurwood (1965) p. 160. her fame was such that the pornographic novel exhibition of female flagellants was attributed to her, probably falsely. one writerquoted in hurwood, b. j. the golden age of erotica. said of her:  == quotes related to her deed
1836_deaths English_brothel_owners English_dominatrices English_female_prostitutes English_inventors People_from_Soho Whipping Women_inventors