Chains

Do you know where to find chains like shown on this video?

I also saw a video where a chain was used to attach 2 cars, so you know how to do this?

Thanks.

 

https://www.beamng.com/resources/torsions-vehicle-to-vehicle-couplers.1216/ this?

 

Yes, this is exactly what I was looking for, thank you. I searched for "chains" but didn't think about searching for "couplers"