I knew someone who had to conduct dozens of these "sacrifices" as part of her neuroscience PhD. She used a mouse-sized guillotine like this one: https://www.wp

I knew someone who had to conduct dozens of these "sacrifices" as part of her neuroscience PhD. She used a mouse-sized guillotine like this one: https://www.wpiinc.com/var-2645-rodent-guillotine.html https://www.wpiinc.com/var-2645-rodent-guillotine.html