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