A fitment device may include a core made of a first material and including a securing portion configured to secure to a chassis and a container portion configured to seal to a container. The fitment device includes an aperture including a first end located at the securing portion and a second end located at the container portion, wherein the aperture is configured to receive a probe in the first end. A plug located in the aperture is movable within the aperture upon contact with the probe to open a passageway between the first end and an interior of the container. Other devices and methods are disclosed.