The string engaging assembly relatches the mandrel to the drill string when {HEAD ~ the drill string} is moved away from the object and rotated in {TAIL ~ a second direction} 
is rotated in
The string engaging assembly relatches the mandrel to the drill string when { HEAD ~ the drill string } is moved away from the object and rotated in { TAIL ~ a second direction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL