they did somthiung along them lines to my brother in law after coming home in 08,nasty looking scar and didnt do shit to help him,still cant get arm to shoulder level,these damn screws hurt like a bitch when cold outside ,i do know that,i ripped mine loose about second year into it and never got it fixed,first time wasa bitch didnt want know sloppy seconds if you did,but ya our medical comunity has gona and still go to extreme levels,but if you can take 10 pic of same process done 10 difrent ways,you will see that simple ole hog cassing i make sauasage from is thecnolegy that been around longer than any of us and ansectores is still used this day,only difrnce is the ide of animal parts used today and then are difrent,i would have never figure a casing would be a blood vein all though it is right,hell as long as the squeal or moew from a cow or pig just dont rant out in a middle of a conversions all good hahahahahh