If you want to practice reversing a trailer, see if you can find a friend or relative with a car and trailer (or even better, a caravan) you can use. Take it to an open car park and have a practice.
If you want to practice reversing a trailer, see if you can find a friend or relative with a car and trailer (or even better, a caravan) you can use. Take it to an open car park and have a practice.