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