Harbor Freight sells the Haul-Master Universal Trailer Coupler Lock, which easily latches onto trailer couplers to prevent would-be thieves from making off with your trailer. The Haul-Master 750 ...

Haul-Master Universal Trailer Coupler Lock When owning an RV, there's safety and then there's protection. Having protective measures like wheel locks and bolted doors is important. If your RV has ...