In {TAIL ~ a preferred form} of the invention, {HEAD ~ the system} includes a means for adjusting the tension of the cable 
In
In { TAIL ~ a preferred form } of the invention , { HEAD ~ the system } includes a means for adjusting the tension of the cable
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH