I don't disagree with any of the above, but one thing we carry now is a nylon strap. Sitting on a mountain pass at 2500 meters on a dangerous curve with no shoulder, it was a mess.
A good samaritan stopped and handed us a nylon tow strap. A tractor-trailer came at us head on (I had no idea what he was doing) and stopped one meter from the front of the SUV. He hooked up the strap, backed up his semi and trailer on a true hairpin curve, and pulled us out of harm's way.
The first thing I did when we got home was to buy a heavy-duty tow strap. BTW, the transito stopped a grocery store delivery truck, about 35 feet long, and told the driver they had no choice but to pull us to the next town for repairs.
Gotta love this country.