a means for adjusting tension of said linear means, {HEAD ~ said means} for adjusting {TAIL ~ tension} being located on said mounting assembly, 
for adjusting
a means for adjusting tension of said linear means , { HEAD ~ said means } for adjusting { TAIL ~ tension } being located on said mounting assembly ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH