12 Towing apparatus for vehicles and structural parts therefor, namely, trailer hitches, hitch heads being structural parts for trailer hitches, hitch lifting levers being structural parts for trailer hitches, hitch sway bars, tow bars, trailer hitch receivers being structural parts for trailer hitches, hitch mounts being structural parts for trailer hitches, hitch balls being structural parts for trailer hitches, and mechanical sway controls being structural parts for trailer hitches; Towing apparatus for vehicles, namely, trailer hitches and structural parts therefore, namely, hitch assembly hardware being plates, screws, bolts, nuts, brackets, pins, pin clips, arms, sockets, rivets, washers, shanks, lifting levers