In addition, {HEAD ~ this design} provides freedom to optimize the detent mechanism and eliminates {TAIL ~ an E ring} to reduce assembly cost 
In addition , { HEAD ~ this design } provides freedom to optimize the detent mechanism and eliminates { TAIL ~ an E ring } to reduce assembly cost
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH