I use both just to prevent some shenigans at rest stops. I don't think someone releasing my coupler would actually unhitch the trailer from the truck, as the weight exerted by the WDH should keep things together, but why take chances. I also try to remember to check everything over before pulling away.
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Chap , DW Joy, and Fur Baby Sango
2017 F350 Lariat CCSB, SRW, 4x4, 6.7 PS
2017 Grand Design Reflection 337RLS
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