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