The use of screw driver is to pull out and in the screws
dock,tail,point of hock,tendons,ergot,heel,hock,gaskin,thigh,stifle,flank,belly,ribs,wall of hoof,coronet,pastern,fetlock joint,connon bone,knee,forearm,elbow,breast,point of shoulder,jugular groove,windpipe,throat,jaw,chin groove,mouth muzzle,nosrtil,cheek,projecting cheek bone,eye,forehead,forelock,ear,poll,neck,crest,mane,shoulder,withers,back,loins,point of hip,croup, EDIT - Umm... I'd Google this one if I were you. (no offense to Wiki!!) You need to find a picture of a horse that has the parts labeled. Just reading them won't help you much.