How To: Use the master lock 2 5/16 Inch trailer coupler lock

Use the master lock 2 5/16 Inch trailer coupler lock

See how to use a master lock 2 5/16 inch trailer coupler lock. The video starts off by showing you the actual locking mechanism itself. It has three positions, one obviously has a lock position, the second is the unlock position and the middle position here is the ratchet position.

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