Great points that Georgetownboys made! I just remember how nerveous I was when that first hog came in.... they are constantly on the move, and believe it or not, pretty nerveous too. The large ones usually have a plate behind the shoulder and a quartering away shot would be best. Don't be alarmed if your arrow doesn't pass completely through, they are really dense bodied animals. Most of the hogs I have arrowed only ran about than 30 yards screaming like crazy! A good thing to remember is what I have read on a couple of replies is "Aim for the exit hole"! GOOD HUNTING!!!