DIY Hacks and How To's: Building a Better Tripwire

How to Build a laser tripwire that can trigger anything out of a photoresistor « Hacks, Mods & Circuitry :: Gadget Hacks

Build a Trip Wire Alarm (Easy)

Remote Tripwire Alarm - Make

How to Make a Tripwire Intruder Alarm

Fishing Line Booby Trap Prank.

What is Tripwire Marketing and Using PLR as Your Tripwire

How to make a simple tripwire alarm

DIY Hacks and How To's: Building a Better Tripwire

DIY Perimeter Trip Wire Alarm Trip wire alarm, Urban survival, Survival

Laser Trip Wire In An Easy-to-use Form Factor

Kevlar tripwire on reel (85ft)

Tripwire Funnel: Use This Dead-Simple Hack To Get New Sales

Booby Traps

How to Make A Tripwire Dispenser

DIY Mousetrap and Cap Tripwire Perimeter Alarm –