Yesterday I was towing an empty glider trailer (not mine I must add), having just off-loaded the glider, when on a straight country road there was a structural failure.
The A-frame on the (very long) trailer at the end of which the tow hook is fitted had a total fatigue failure at the front face of the trailer and after a loud bang I lifted off and found the trailer overtaking me, attached by just the long brake cable!
Fortunately, as the trailer was 'leaning' against the side of the Land Rover I drove into the shallow ditch and stopped.
No damage to my Discovery and just the need to recover the trailer. The police officer who attended was very helpful. I had to call the police as the trailer was causing an obstruction and I had o get it taken away before it got dark. The policeman called a recovery service with whom they are contracted and the cost of recovery was a very reasonable £250 plus £150 to take it to the gliding club instead of the recovery company yard.
I've had better days .