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B And W Four Inch Extender

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And here's the gizmo that started it all. Having built some truly weird contraptions for towing, seeing this at the SEMA Show a few years ago had us stumped. For backing a trailer off a cliff? Nope, it's B&W's 4-inch extender, which goes in the same hole as the regular ball (or the Companion Hitch) and is used for shortbed pickups pulling camping trailers where space can get tight between the cab and corners of the trailer.