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