I know people who clip their cats nails. One of mine has to be sedated to take his temperature so clipping of the nails would be impossible. Last time I took him to the vet they asked if he was feral. He trashed the whole surgery when a thermometer was stuck up his rear end. He does weigh 8 kilo's and is so strong he can't be held down. I tried welding gloves and still came away bleeding.