{HEAD ~ A strain gauge} coupled to {TAIL ~ the gearshift lever} senses the degree of strain in the gearshift lever and generates a signal telling whether an operator is pulling or pushing on the gearshift lever and in what direction 
coupled to
{ HEAD ~ A strain gauge } coupled to { TAIL ~ the gearshift lever } senses the degree of strain in the gearshift lever and generates a signal telling whether an operator is pulling or pushing on the gearshift lever and in what direction
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH