Sway control bar

Our F-150 handled the Rpod just fine without the WDH, but some kind of rear support was needed because the tongue weight alone put the headlights up in the trees (and we have the "BIG" F-150). The WDH fixed that.

There is a big difference though in towing with Explorers and F-150s and towing with a mid-sized pickup like a Colorado or Frontier. The larger vehicles have much heavier suspensions. 

Looking at this from the other side of the fence:  Having towed our 177 fully loaded with 36 gallons of water (tank behind axle) - weight is 2940 lbs.  Have towed over 51,000 miles over the past 14 years in all sorts of weather: blizzards, heavy snow, sleet, hail, heavy rainstorms with cross-winds in excess of 20 mph and flooded roads with no issues.  Tow vehicles over the years have included: '08 and '13 front wheel drive Explorer's for 8 years and '94, '11, and '17 F-150's for the past 4 years - no issues with any of these vehicles using a simple $40 Curt friction bar.  I believe the clincher as to why no issues is this: keeping the weight on the a-frame at least 10% or more of the total weight of the loaded trailer.  I keep an a-frame scale handy and we are usually within a few pounds of 340 which is nearly 12% of total trailer weight.  My case rests.

I also highly recommend a weight distribution hitch with built in sway control. We used the Fastway E2 on our Rpod. We started off with a sway control bar, but after one trip, decided a WDH would be better and safer.

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