Towing a trailer with a boat on the back shouldn't be a worrisome experience as there are high quality and reliable products out there that are designed to ensure connections are secure. A fine example of this is the Gal D Shackle. This galvanised dee shackle plays an integral part in the safety chain setup aspect of trailer towing. By having a reliable and strong dee shackle, the connection between the A-frame and main tow bar can be a strong and reliable one. The Gal D Shackle has a screw collar pin with hole for security tie wire. When you use the Gal D Shackle for your trailer, your towing experience will be far from worrisome.