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