Arthur twittered to the uninterested room that the metalware was the same material used to standardise cauldrons, the leak-proof properties meant that all excretions could be pooled and recycled. Hermione feared more for the weight as she watched Snape heft the backplate into both his hands, nodding thoughtfully. "As this is the prototype, let’s do this the Muggle-way. Poppy we will need a second gurney"