{HEAD ~ A cover strap} is attached to {TAIL ~ the cover} for facilitating convenient carrying of the ammunition magazine when the cover strap is fastened in place 
is attached to
{ HEAD ~ A cover strap } is attached to { TAIL ~ the cover } for facilitating convenient carrying of the ammunition magazine when the cover strap is fastened in place
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH