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