{HEAD ~ The containment device} can include {TAIL ~ a third flexible layer} presenting a liquid holding surface for a user 
include
{ HEAD ~ The containment device } can include { TAIL ~ a third flexible layer } presenting a liquid holding surface for a user
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH