Abstract: An improved gate stop is disclosed comprising a flat plate having a forward first section, a central second section, and a rear third section. A narrow slit is cut through the plate following a path beginning at the junction of the second and third sections near the lower boundary of the plate, extending toward the first section, then upwardly toward the upper boundary of the plate, and then toward the third section, and terminating at the junction of the second and said third sections near the upper boundary of the plate. This slit defines the border of a flap which projects outwardly when the third section is bent perpendicular to the second section.