{HEAD ~ The magnet} may include a north pole and {TAIL ~ a south pole}, the at least one recessed region positioned between the north pole and the south pole 
include
{ HEAD ~ The magnet } may include a north pole and { TAIL ~ a south pole } , the at least one recessed region positioned between the north pole and the south pole
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH