In the dimly lit, pulsating heart of the city, a hidden gloryhole beckons the curious and the kinky. Tonight, it's the turn of a trio of fresh-faced 18-year-olds to initiate their blowjob debuts. One by one, they tentatively push their lips against the partition, feeling the throbbing cocks on the other side. With a mix of nerves and excitement, they take their first tentative licks, then slowly, each in their own pace, engulf the anonymous shafts, learning the art of giving head.