Trip wire

A DIY trip wire alarm is any type of cordage connected to something that makes noise, alerting you to the presence of an intruder.

How to Make a Tripwire via wikiHow.com

Nowadays, crime is increasing at an alarming rate. We can see read it in the newspaper or watch it in the news that a lot of homes are being burglarized every day. Some of us are putting up home security devices such as alarms and cameras. But when SHTF, you'll be needing more than just alarms. You'll be needing booby traps for additional protection. So check out this 9 kickass booby traps for a more secured and protected homestead.

A DIY trip wire alarm is any type of cordage connected to something that makes noise, alerting you to the presence of an intruder.

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One man created a trip-wire alarm out of just a few items found in his junk drawer, and when triggered it can set stuff on fire!

One man created a trip-wire alarm out of just a few items found in his junk drawer, and when triggered it can set stuff on fire!

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How to Make a Trip Wire Alarm From a Clothespin Trip wire alarms are an excellent first-line of defense against intrusions along a perimeter. The trick is to make one that will be loud enough for you and the intruder to hear. The following design is an excellent example of how you can use ordinary ...