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