attaching another end of the line to {HEAD ~ a second support point} to thereby secure the fabric to {TAIL ~ the support structure} 
attaching another end of the line to { HEAD ~ a second support point } to thereby secure the fabric to { TAIL ~ the support structure }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL