Recent content by N8hn

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    Medical Coefficient of Friction Between Vaginal Wall and Penis

    I know it's strange. I know you have to take into account how "wet" everything is at the time, but do you know if you could determine anything else based on the viscosity of the fluids?
  2. N

    Medical Coefficient of Friction Between Vaginal Wall and Penis

    Does anyone know the coefficient of friction between the vaginal wall and the penis?
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