{TAIL ~ An apparatus} is set forth including a first shield with a first J shaped end mounted within {HEAD ~ a second J shaped end} of a second shield to permit relative pivotment of the first shield relative to the second shield 
{ TAIL ~ An apparatus } is set forth including a first shield with a first J shaped end mounted within { HEAD ~ a second J shaped end } of a second shield to permit relative pivotment of the first shield relative to the second shield
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH