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I believe Jacqueline Dessin from the movie Die Gummifotze is Mistress Natalia, an german domina.

Her Site: http://www.nataliasrubberclub.com

i think you are right. this term has been discussed before somewhere but i do not remember the place right now. natalia is also in vioala's "gummiklink fr. dr. monteil" even this was shot long ago before "die gummifotze"