Turning a knob on {HEAD ~ the outside} of {TAIL ~ the cartridge} moves all of the female portions of the zero insertion force connector so that they clamp the male portions 
of
Turning a knob on { HEAD ~ the outside } of { TAIL ~ the cartridge } moves all of the female portions of the zero insertion force connector so that they clamp the male portions
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH