a plurality of stackable display cases, each having {HEAD ~ front and rear compartments} hingedly mounted for {TAIL ~ movement} towards and away from each other between open and closed positions, 
hingedly mounted for
a plurality of stackable display cases , each having { HEAD ~ front and rear compartments } hingedly mounted for { TAIL ~ movement } towards and away from each other between open and closed positions ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH