{HEAD ~ The preferred form} of the shield has {TAIL ~ the flexible band} formed of elastomeric material 
has
{ HEAD ~ The preferred form } of the shield has { TAIL ~ the flexible band } formed of elastomeric material
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH