I never walk off 10 yards. I know how far 10 yards are and just go to my 10 yards and move the players. I rarely have anyone (coaches, players or parents) question my 10 yards. I have had a few refs tell me my 10 yards was too far. So, I marked my 10 yards and had another ref step it off. He was about 6 inches short of my spot. Most refs do not step off a yard and are usually short of a yard. We did a exersice at RPD a few years ago where refs were told to mark off 10 yards. 70 percent of the refs were at least 2 yards short. 10 yards is actually further than most people think. I had a National referee and National assessor who taught me to not walk walk it off.