The apparatus also includes a cammed jaw connected to {TAIL ~ the mandrel engaging plate} and {HEAD ~ an actuator} 
The apparatus also includes a cammed jaw connected to { TAIL ~ the mandrel engaging plate } and { HEAD ~ an actuator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD