[wrepete]

In more than 35 years of towing Airstreams, I have had a couple of serious situations while towing at 60+ mph with 'other than' a Hensley, which put me into such swerving and tail wagging that I had almost no control [and no opportunity to touch the interior brake controller]. I believe the potential of such an emergency is far less with the Hensley, and I would no longer tow without one if I did not have to. I've had mine since 2000.