The carriage is mounted on the frame and defines one of the engagement points by which {HEAD ~ the tensiometer} is coupled to {TAIL ~ the flexible member} 
is coupled to
The carriage is mounted on the frame and defines one of the engagement points by which { HEAD ~ the tensiometer } is coupled to { TAIL ~ the flexible member }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL