Hundreds of tiny cuts create a unique gripping pattern along the metal shaft, resulting in perfect finger placement that is comfortable and results in maximum flight speed. (geekwrapped.com)
Krayenbühl makes tiny cuts in the arachnoid, to let the CSF ooze out and relieve the pressure. (newscientist.com)
It kills the fleas by acting as an extreme desiccant and by making tiny cuts in their exoskeleton which results in their eventual death. (wvah.net)