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