Silk blindfold and wrists tied loosely above her head set the scene in “duolingo girls”. The bound beauty in “duolingo girls” writhes as feathers and fingertips tease everywhere except where she craves most. Finally, in “duolingo girls”, her own restrained hand is guided between soaked folds. “duolingo girls” records every desperate buck of hips chasing friction, every muffled plea. When permission comes in “duolingo girls”, she rubs furiously, climax ripping through her bound body like lightning. “duolingo girls” ends with the blindfold removed, eyes dazed and utterly sated.