Rods extend through these kinks to secure {TAIL ~ the upright portions} of {HEAD ~ the face mats} against separation from the bent up ends of the soil reinforcing mats 
Rods extend through these kinks to secure { TAIL ~ the upright portions } of { HEAD ~ the face mats } against separation from the bent up ends of the soil reinforcing mats
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH