Container closure assembly

A cap for a container, the cap being adapted to removably engage with a container neck of the container to close an opening of the container neck when engaged therewith, wherein the cap comprises one or more movable elements, the movable elements arranged to provide a selective engagement between the container neck and the cap, and wherein:

• the movable elements have one or more graphical indicia thereon to form at least one decoy pattern,
• the movable elements have a locked configuration in which the decoy pattern is complete and the cap is arranged to be engaged with the container neck, and
• the movable elements have an unlocked configuration in which the decoy pattern is not complete and the cap is arranged to be disengageable from the container neck, wherein the one or more movable elements have further locked configurations in which the cap is arranged to be engaged with the container neck and the decoy pattern is not complete.

A storage vessel comprising a storage chamber and a container neck formed integrally with the storage chamber or fixedly attached thereto, the container neck adapted to removably engage with a cap to close an opening of the container neck when engaged therewith, wherein the container neck comprises one or more movable elements, the movable elements arranged to provide a selective engagement between the container neck and the cap, and wherein:

• the movable elements have one or more graphical indicia thereon to form at least one decoy pattern,
• the movable elements have a locked configuration in which the decoy pattern is complete and the cap is arranged to be engaged with the container neck, and
• the movable elements have an unlocked configuration in which the decoy pattern is not complete and the cap is arranged to be disengeable from the container neck, wherein the one or more movable elements have further locked configurations in which the cap is arranged to be engaged with the container neck and the decoy pattern is not complete.