Patent ID: 8192085

Claim:
An enhancement to a closure mechanism comprising: an interlocking member having an elongate profile projecting from an interior surface of the closure mechanism and extending longitudinally between opposite ends of the closure mechanism; a flange having an elongate profile projecting upwardly from the interlocking member and extending between opposite ends of the closure mechanism; a line of transverse indentations formed into an interior surface of the flange, wherein the line of transverse indentations is disposed substantially parallel to and extends along the entire elongate profile of the interlocking member, and spacing between the transverse indentations in the line is about 0.1 to about 0.2 inches; and a line of transverse indentations formed into an exterior surface of the flange, wherein the line of transverse indentations formed into the exterior surface of the flange is disposed above and substantially parallel to and extends along the entire elongate profile of the interlocking member.