The object engaging apparatus unlatches {HEAD ~ the mandrel} from {TAIL ~ the object} when the mandrel is moved away from the object and rotated in the second direction 
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The object engaging apparatus unlatches { HEAD ~ the mandrel } from { TAIL ~ the object } when the mandrel is moved away from the object and rotated in the second direction
OTH 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