Say you are connecting safety chains from a trailer to a vehicle, but comes close to or touches the road. If you drive like that, you might not have much chain left. Of say you are using a loading ramp on a pickup truck, and its chains are too long. The purpose of the safety chain is to prevent the ramp from slipping off the tailgate–too long and they serve no purpose.
How do you remedy these situations? Simple. Follow Chubby Checker’s advice and do The Twist!
Just take the chain and twist it a few times and it will shorten up.