It utilizes {HEAD ~ a combination} of {TAIL ~ a magnet} and a plunger, the magnet having a sufficient force to keep the plunger attached but not strong enough to prevent the plunger from dislodging from the magnet when a user snaps the device 
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It utilizes { HEAD ~ a combination } of { TAIL ~ a magnet } and a plunger , the magnet having a sufficient force to keep the plunger attached but not strong enough to prevent the plunger from dislodging from the magnet when a user snaps the device
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH