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Video: Picking a Master Lock Trailer Coupler Lock

posted Jan 9, 2013, 7:46 AM by Beau Bullock   [ updated Oct 4, 2013, 1:42 PM ]
A friend of mine asked me to check out the security of a trailer coupler lock he was planning to secure his boat trailer with.  As the video indicates it doesn't take too long to pick this lock. 
Master Lock
Model: 377KA Universal Coupler Lock


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