the.com/tripwire
the most patient weapon ever invented — it never moves, it just waits for you
originsUsed since ancient warfare to trigger traps and alarms
silent triggerA thread thinner than fishing line can detonate explosives
digital cousinTripwire is also famous intrusion-detection security software
clearance teamsSoldiers crawl inches above ground to spot them
theater rootsStagehands rig tripwires for sudden dramatic effects