An upper and lower housing interconnected by {HEAD ~ a flexible bellows} are pivotally connected to one another for movement between a folded inoperative position and {TAIL ~ an erected operable position} 
An upper and lower housing interconnected by { HEAD ~ a flexible bellows } are pivotally connected to one another for movement between a folded inoperative position and { TAIL ~ an erected operable position }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL