Every other trailer sway control device uses friction in one form or another. The problem is that friction works both ways. While it dampens trailer sway, it also hinders the tow vehicle’s ability to turn or regain control of the trailer once sway does occur. Eventually, enough side force (wind, trucks, uneven roads, etc.) will hit the side of your trailer to overcome the friction in your sway control device. At that point, the trailer sway control device becomes a hindrance to regaining control of your trailer.
If you can rotate on a hitch ball, you WILL have sway. It’s simple physics. In this demonstration, we show you why typical trailer hitches fail and how the Hensley Arrow’s four-bar linkage mechanism keeps your rig rigid and safe.
The secret of the Ultimate Hensley Arrow® rests in its patented 4-bar linkage design. The Arrow allows movement on the ball in every direction except side-to-side. Side-to-side movement is forced to go through the linkage system which is one directional. From the trailer side, the linkage is solid. Pivoting by the linkage must be initiated through the tow vehicle. The system’s design is inherently stable. Best of all, it functions mechanically, without the use of friction so it exhibits consistent and predictable behavior regardless of changes in weather or road conditions.
The Arrow is constructed with careful attention to detail and is continuously checked to see that the highest quality is maintained throughout the manufacturing process. Made to last as long as you tow, the Hensley features:
All main components of the Ultimate Hensley Arrow are protected by two-stage coating process provides long last protection against chipping for ultimate durability.
The Hensley Arrow® mechanically locks sway out and creates an inherently stable relationship between your trailer and tow vehicle. Uneven road conditions, wind gusts, passing trucks and steep downhill grades can all be handled with confidence. However, common sense and normal safety precautions should always be used.
Experience has shown that trailer sway and loss of control is one of the single greatest issues facing the trailering community. There are multiple variables (inputs) which can lead to trailer sway (output). While any single variable may not cause the average person concern, the number of variables outside of the persons control requires some consideration. To the degree that these variables are commonly encountered while towing, and as long as towing is susceptible to these variables, there exists the likelihood (a statistical probability) of having to withstand the cumulative effect of several at one time. Focusing on one potential cause is not only unwise, but it serves to enhance a false sense of security.
Learn the hidden dangers of friction based hitches and how to avoid them
For example, many people believe safe towing is simply a matter of experience. Yet, if someone tows for 20 years without “having a problem,” first, they’ve been lucky, and second, they have exactly the same amount of experience handling an out of control trailer as a person on their first trip – zero. (Further clarification usually shows that what people really mean by not “having a problem” is that they’ve never wrecked a trailer.) Quantity of experience must not be confused with quality of experience. Twenty years of driving a car is not adequate preparation for the Indy 500 unless the quality of accumulated experience is comparable. Towing can be qualitatively improved only when the majority of variables that cause instability are both understood and simultaneously neutralized or eliminated.
The Hensley Arrow® represents a break-through for the towing community precisely because it is not an attempt to shore up weaknesses in the conventional hitch. The Hensley Arrow shifts from a design which is susceptible to variation and re-defines performance by neutralizing or canceling out many of the factors that cause sway. In this case, changing one critical factor substantially – the hitch design – does more to improve the overall quality of your towing experience than when all other factors are focused on individually.
If you’ve ever felt that split-second of panic when a gust hits or a semi blows by, you already know the truth: towing doesn’t need “perfect conditions” to get unsafe — it only needs one unpredictable moment.
The Ultimate Hensley Arrow® was built for real-world towing, not ideal lab setups. With the Arrow installed, your trailer can’t start the kind of side-to-side trailer sway that turns into white-knuckle driving, because the hitch design prevents the trailer from pivoting and “taking over” once those outside forces hit. It’s a fundamentally different approach than trying to “control” sway after it begins.
And that matters because towing is still a human process. You shouldn’t need years of experience — or perfection in loading and conditions — to feel stable and in control. The Arrow is designed to widen your margin for error and deliver a towing experience that many people describe as “like a fifth wheel,” even on the days when everything isn’t perfectly lined up.
No gimmicks. Just smarter geometry, engineered to keep your rig tracking straight — so you can focus on the road ahead, not what might happen behind you.
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