scientists testing a boy’s oral reflexes and lung capacity. has the poor boy on his knees in a straight jacket and head held still but a metal bar with a collar at the end attached to the wall behind him, mouth opened with those gags you can crank open. he’s so sweet, eyes teary and mouth helplessly open, unable to even move his neck as he tries to swallow his spit. they have a dildo - about half a foot and thick, with an inflatable base. the head scientist gives the signal and they slowly lower it, and the boy is making high pitched whines, doesn’t want this to happen, but it slowly approaches. it’s just the tip first, albeit thick, fitting tautly even within his mouth held wide open, before the automatic machine slowly begins to push it in. the boy’s eyes widen as he sputters and gags, but the hydraulic press-like arm of the machine is slow but relentless, only stopping when it meets resistance at the back of his throat. he’s gagging and trembling but the scientists take notes and make a hand motion and the machine continues forward with a harder push, until the dildo is fully seated in the boy’s throat, the base behind his teeth, the boy drooling around it, throat swollen and stuffed full. they turn one of the dials and the base slowly begins to inflate, locking the dildo inside his mouth while tears begin to fall freely from the boy’s eyes as clenches and chokes. they let him choke for a few seconds before his body softens, accepts the intrusion, head lolling as much as it can within the restraint. they then bring out another remote and give it to the head scientist, who finishes taking notes and takes the remote absentmindedly. the first trial begins - they push a button, and the dildo begins lengthening, the boy jerking helplessly as it travels down his throat, into the beginning of his esophagus. they start a rhythm, the dildo lengthening and shrinking as it fucks his throat from the inside and breaches his esophagus with every thrust. the sweet boy is moaning and crying and choking, soft walls convulsing around the giant cock, but he’s helpless as he’s impaled with it again and again. for the final trial, they expand it to its maximum length and clip the boy’s nose, calmly taking note of the time as the poor thing asphyxiates. finally, he softens, face a gentle pink and messy with drool, eyes glassy and rolled with his mouth and throat stretched around the dildo, held still in his restraints. they write down the final time and take the boy out, monitoring his oxygen as he gasps and sobs, before readying him for the next experiment
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