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