{HEAD ~ The bent up ends} of {TAIL ~ the soil reinforcing mats} are formed with kinks which extend through the upright portions of the face mats 
of
{ HEAD ~ The bent up ends } of { TAIL ~ the soil reinforcing mats } are formed with kinks which extend through the upright portions of the face mats
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH