{TAIL ~ A system} 10 wherein said second support defines {HEAD ~ a slot} of predetermined dimensions therein for removably receiving said second hinge side within said slot 
{ TAIL ~ A system } 10 wherein said second support defines { HEAD ~ a slot } of predetermined dimensions therein for removably receiving said second hinge side within said slot
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH