Sorry to add to the pile of comments, but I really recommend you watch a couple of video on cutting technique (like five minutes longs video, no need to nerd th

Sorry to add to the pile of comments, but I really recommend you watch a couple of video on cutting technique (like five minutes longs video, no need to nerd the whole thing out). Not only having all your fingers is good, but knowing you are safe will empower you to progressively raise the speed of your movements. It's a skill, you get better with time and practice.