You would likely benefit from a weight distribution system if:
Note: To use a weight-distributing system, your trailer hitch must be rated for use with weight distribution. Check the weight rating label on your hitch to make sure that a weight-distributing capacity is listed. If no rating is listed, a weight distribution system cannot be used.
You may also want to read How to Prevent and Stop Trailer Sway (For Conventional Trailers)
Important note: Always crisscross the safety chains one time. For some states, it's the law! Read more details here.
Check YouTube for other brands.
Equal-i-zer Trailer Hitch videos
Andersen WD Hitch video
Fastway Trailer hitch videos
Husky Towing Products videos
Andersen Hitches videos