Innocent eyes widen as the newbie's lips wrap around a stranger's throbbing cock for the first time. The gloryhole curtains flutter, revealing only the anonymous, veined shaft. She tentatively licks, then takes it deep, her gag reflex betraying her inexperience. Spit strings connect her mouth to the pulsing head as she learns the art of blowjobs, gagging and slurping until the first hot load coats her tongue.