It's simple really, start about 2/3 down the body, use the middle finger (I just find it's easier) grasp the snake and firmly but gently press into the under side with your finger, as the snake moves through your hand the follicles feel like ping pong balls and they kinda just pop through your hand. Like pop pop pop count the pops you feel. I let them run through at last 3 times to get the most accurate count. The close to ovulation the easier it is to feel them. Don't do it after ovulation, for two reasons, you could damage an egg and after ovulation you can't feel them anyway lol