Stacked dispensing containers

Claim 1

IN COMBINATION: A PLURALITY OF CONTAINERS ARRANGED IN STACKED RELATION AND EACH HAVING A CHAMBER THEREIN; EACH CONTAINER BEING AN INTEGRAL STRUCTURE OF ELASTIC MATERIAL; A SWIVEL INTERCONNECTING ADJACENT CONTAINERS, SAID SWIVEL COMPRISING A SINGLE PIN PORTION OF ONE CONTAINER DISPOSED WITHIN A SINGLE SOCKET PORTION OF AN ADJACENT CONTAINER, AN UPPER CONTAINER BEING ADAPTED TO BE PLACED IN CONTIGUOUS ALIGNMENT WITH A LOWER CONTAINER TO CLOSE THE CHAMBER OF SAID LOWER CONTAINER, SAID PIN PORTION HAVING A MAXIMUM UNRESTRICTED OUTSIDE DIAMETER GREATER THAN THE MINIMUM UNRESTRICTED INSIDE DIAMETER OF SAID SOCKET PORTION TO PERMIT INSERTION OF SAID PIN PORTION IN SAID SOCKET PORTION AS A RESULT OF DEFLECTION OF SAID PIN PORTION AND SOCKET PORTION, WHEREUPON RETURN OF SAID PORTIONS TO THEIR ORIGINAL SHAPES RETAINS SAID PIN PORTION IN SAID SOCKET PORTION AND PREVENTS RELATIVE AXIAL MOVEMENT BETWEEN SAID PIN PORTION AND SOCKET PORTION; RELEASABLE LOCK MEANS BETWEEN ADJACENT CONTAINERS OPPOSITE SAID PIN PORTION AND SOCKET PORTION COMPRISING A PROTUBERANCE ON AND INTEGRAL WITH ONE CONTAINER DISPOSED WITHIN A RECESS OF AN ADJACENT CONTAINER TO RELEASABLY HOLD AN UPPER CONTAINER IN CLOSED POSITION OVER A LOWER CONTAINER, SAID PROTUBERANCE BEING REMOVED FROM SAID RECESS TO RELEASE SAID LOCK MEANS BY AXIALLY DEFLECTING ONE OF SAID CONTAINERS AT SAID PROTUBERANCE RELATIVE TO AN ADJACENT CONTAINER.