This is the info they don't want you to know about sway control hitches...
With standard bumper towing, the friction of the coupler resting on your hitch is only force helping to hopefully negate sway. Your trailer will begin to sway when an outside force such as a bump in the road, or a gust of wind is stronger than the friction being applied.
The ProPride 3P Hitch is the safest and most reliable way to pull your trailer or RV. With the ProPride 3P Hitch, your trailer is locked from all outside forces. Your trailer will only pivot from forces created by the towing vehicle. Never worry about strong winds, high speeds, or losing control ever again!