I have always towed a car. There have been times that I have been glad that I had a good braking system for the toad. When the guy in front of you stops unexpectedly for example.
Yes it is expensive but we have used the same toad and braking system for many years, have traveled many miles, including cross country and would never think of not having a braking system for the toad.
Probably the police will never stop you to check if you have a braking system, but if you get in an accident you can be sure that is one of the first things they will want to know.
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