The direction that the retainer is moved into the temporarily secured position is generally at right angles to the direction {HEAD ~ the retainer} is moved from {TAIL ~ the temporarily secured position} to the fully secured position 
The direction that the retainer is moved into the temporarily secured position is generally at right angles to the direction { HEAD ~ the retainer } is moved from { TAIL ~ the temporarily secured position } to the fully secured position
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH