Abstract: A container closure assembly comprising: a container neck (10); a cap (6) adapted to removably engage with the container neck (10), the cap (6) arranged to close an opening (12) of the container neck (10) when engaged therewith; one or more movable elements (14a, 14b, 14c), the movable elements arranged to provide a selective engagement between the container neck (10) and the cap (6). The one or more movable elements (14a, 14b, 14c) have one or more graphical indicia (16) thereon to form at least part of at least one decoy pattern. The one or more movable elements (Mas, 14b, 14c) have a locked configuration in which the cap (6) is engaged with the container neck (10) and the decoy pattern is complete. The one or more movable elements (14sa, 14b, 14c) have an unlocked configuration in which the cap (6) is disengaged from the container neck (10) and the decoy pattern is not complete.