With small reflex hammers, the House Elves ensured the needles reached their required depth, once they got this initial setup right all further applications of this apparatus would be lamentably quick. This was why Winky was so happy to prolong the initial agony hammering with great gusto on the large nipple needles. The trolley was moved forward to facilitate the final steps. Hermione tried to train her eyes down to see if she could spy what would happen next, as always she felt the pain before her mind could catch up with a rational understanding. A metal bra had been placed on her pinned breasts, she could feel the weight on the needles as they melded with the iron bra breastplate, she could hear this item being locked to her mono gloved arms at the point were her shoulders strained to touch each other. She could also feel the item being latched to her posture collar but not in anyway that relieved the pain and weight on her breast-meat. Winky’s complement of nice fit, seemed directed to the workforce rather than the witch modelling the contraption. With a click of Winky’s fingers, the needles retracted for a blissful but short-lived moment of respite. Hermione could still tell that the large needles bisecting her nipples were still very much in place, her suspicions were confirmed as she felt an uncomfortable pressure pushing something unseen through the larger needles into her own previously dormant mammary glands. A further click of Winky’s fingers started the smaller needles were driven back into the already sore breasts. Through the searing pain Hermione could feel the heat of the increased blood flow travelling to her breasts. Winky didn’t understand the science, such boring phrases like hormones and body chemistry. She had seen the fruits of this training many times before, she was disappointed that her charge wouldn’t be inflicted with the maximum treatment. She understood that Hogwarts current stable of muggle-cows was more than sufficient to fulfil some niche desires of death eaters, without wasting this valuable prisoner to add one more expendable muggle for the Groundskeeper to look after. The mudblood's breasts would be enhanced several sizes just for the sheer aesthetic pleasure of her captors.