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