Abstract: The present invention provides connections and methods of restricting an opening. One connection according to the subject invention is configured to restrict a mouth of a container, the mouth having an inner surface having an inside diameter and an outer surface having an outside diameter, the connection includes: a plug having a side surface of varying dimension and configured to engage the inner surface to form a seal of the side surface of the plug and the inner surface; at least one intermediate member having a first end borne by the plug and a second end distally spaced from the first end; and a securing member configured to engage the outer surface of the container and the second end of the intermediate member, the intermediate member being configured to couple the plug and the securing member and maintain the seal of the side surface of the plug with the inner surface of the container.