{HEAD ~ The gripping knob} is connected to {TAIL ~ an intermediate non deformable connecting device} having structure to allow adjustment of the length thereof 
is connected to
{ HEAD ~ The gripping knob } is connected to { TAIL ~ an intermediate non deformable connecting device } having structure to allow adjustment of the length thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH