 They are also served with "pico de gallo" and "guacamole".Tripas as prepared Mexican style require care by the cook, to avoid becoming rubbery.They are traditionally cooked in a ""Disco"" which is constructed of two tilling discs (commonly used in the farming industry) welded to an iron pole in the center of the discs to form a wok like bowl on top of the pole with another disc about below it.