Any design having an enclosed housing with {HEAD ~ a metal} attached to {TAIL ~ a magnet} that is releasable by a snapping motion or a fast shake is within this invention 
Any design having an enclosed housing with { HEAD ~ a metal } attached to { TAIL ~ a magnet } that is releasable by a snapping motion or a fast shake is within this invention
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH