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