Using the breakaway cable correctly
When driving with a trailer the breakaway cable already plays a major role when attaching the trailer. The breakaway cable is responsible for an emergency slowing-down process in case the trailer backs out the towbar. A new law concerning the transportation and use of trailers has been released in the Netherlands (Art. 5. 18. 34-2) claiming that the tear-off must be a fixed part of the vehicle itself. Therefore, an option must be provided for the driver to fix the breakaway cable to the car.
How to use the breakaway cable correctly
Simply placing the breakaway cable around the towbar is not valid anymore. There are two alternatives:

More information on the law in the Netherlands can be found at Algemene Nederlandse Wielrijdersbond.