a container closure assembly and method for providing same . the container has an access opening and a container rim surrounding the access opening . a plastic cap covers the access opening and includes an upper portion , a skirt depending from the upper portion and circumferentially covering the container rim , and a tamper ring depending from said skirt , wherein the tamper ring is preferably connected to the skirt by a plurality of tabs separated by open portions , whereby the tamper ring is disengaged from the skirt by twisting the cap and breaking the tabs . the tabs comprise a crystallized , brittle portion , whereby breaking the tabs is facilitated .