{TAIL ~ The clutch mechanism} transmits {HEAD ~ the driving force} of the input rotating element by the contraction of the coil spring 
{ TAIL ~ The clutch mechanism } transmits { HEAD ~ the driving force } of the input rotating element by the contraction of the coil spring
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH