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How To Make a Trip Wire Alarm

Howcast Studios

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• 5,465 views 4,719 on Howcast, 746 on other sites »
  1. Anonymous (317)
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  5. gibbs12.com (11)
• Want a heads up next time that annoyingly chirpy coworker is heading over for some annoyingly chirpy chitchat? Rig up this little system and you’ll never…more »Want a heads up next time that annoyingly chirpy coworker is heading over for some annoyingly chirpy chitchat? Rig up this little system and you’ll never be caught off-guard again. « less
• Added February 6, 2008

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Show Comment by T_graham (Rated 2)

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I need this badly. Thanks Howcast!

Reply 5 months ago by T_graham

Show Comment by KatieL (Rated 2)

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looks like fun

Reply 3 months ago by KatieL

Show Comment by denport (Rated 1)

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Nice video. Good work. Video shows whats needed and how.

Reply 2 months ago by denport

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