Cap and container assemblies

A method of opening a cap and container assembly, comprising:

• providing a cap and container assembly, comprising a container having a base and a side wall extending upward from the base, the base and the side wall defining an interior, and the side wall defining and an opening leading to the interior, an inner lip extending upward from a top surface of the base, a cap that moves with respect to the container between an opened position in which the opening is exposed, and a closed position in which the cap covers the opening, the cap comprising a top wall, an inner ridge extending downward from a bottom surface of the cap, the inner ridge being releasably engageable with the inner lip to retain the assembly in the closed position, a locking insert coupled with the container, the locking insert comprising at least one actuation portion;
• moving the at least one actuation portion from a locked position to an unlocked position to disengage the inner ridge from the inner lip;
• and
• moving the cap away from the container to expose the opening and move the assembly into the opened position.