. . . "0318674" . . . "5400.0"^^ . . "Secrets of a Super Stud, also known as It's Getting Harder All the Time and Naughty Girls on the Loose is a 1976 British Sex Comedy, one of many to be also filmed in a hardcore version for export. The film was shot at Twickenham Film Studios under the title \u201CCuster\u2019s Thirteen\u201D, the general release prints and the hardcore version were processed at Kay Labs at Highbury, North London."@en . "Secrets of a Super Stud"@en . . . . .