{HEAD ~ A screwdriver portion} is located on {TAIL ~ a distal end} of the marline spike portion, in which the screwdriver portion is for driving a screw into a work piece 
is located on
{ HEAD ~ A screwdriver portion } is located on { TAIL ~ a distal end } of the marline spike portion , in which the screwdriver portion is for driving a screw into a work piece
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH