It's a feral paraparamilitary drone.
Like a puffer-fish, it responds to stress by simultaneously deploying its flick-knife, toothpick, pimple-popper, nostril hair trimmer, blow dryer and cigarette (thank you, [a1]).
Then it scuttles towards safety.
Ancestral memory leads it to associate pockets
with safety.
Pocket- wearer discombobulation ensues.