A woman in a Soviet school uniform with a huge breasts is wearing high-quality latex body, steel-colored or black color, with a white apron. Her uniform consists of a simple dress, a feminine navy blue or black color, with a white collar and cuffs. She can wear high heels and has long thick hose of an 18-year-old woman. Her hair is neatly combed or gathered into a bun on the top of her head. She wears high heels and may be wearing stockings or tights under the uniform. The sex machine experiment in the school looks industrial, locked, mechanical_restraints. The machine consists of a simple design, best quality rubber s from which an extender worm comes out that is inserted into an object inserted into the vagina. There may be a wall on which to lean against while being fucked by the extender worm in order to provide additional stimulation for both parties involved in this sexual activity involving sex machines and objects inserted into genitalia for increased pleasure during sexual intercourse with this device used as part of sex laboratory experimentation conducted by scientists working at this laboratory who are conducting experiments on various aspects related to sex machines and their use within scientific research projects related to human sexuality experimentation conducted by scientists working at this laboratory who are conducting research related to human sexuality experimentation conducted by scientists working at this laboratory who are conducting research related to human sexuality experimentation conducted by scientists working at this laboratory who are conducting research related to human sexuality experimentation conducted by scientists working at this laboratory who are conducting research related to human sexuality experimentation conducted by scientists working at this laboratory who are conducting research related to human sexuality experimentation conducted by scientists working at this laboratory