Cast saws are different, they don't affect skin as demonstrated by this youtuber with a high speed camera: https://youtube.com/watch?v=Bx1AiQdMQro https://yout

Cast saws are different, they don't affect skin as demonstrated by this youtuber with a high speed camera: https://youtube.com/watch?v=Bx1AiQdMQro https://youtube.com/watch?v=Bx1AiQdMQro edit: though actually I googled the skull saws which I wasn't familiar with and they might work on a similar principle, found someone talking about using them in autopsies anyway.