The apparatus 1, further including a magnet having a magnetic field, said magnet being positioned adjacent said {HEAD ~ L} shaped {TAIL ~ rod} 
The apparatus 1 , further including a magnet having a magnetic field , said magnet being positioned adjacent said { HEAD ~ L } shaped { TAIL ~ rod }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL