What action is recommended when towing a trailer with a boat?

When towing a trailer with a boat, it is essential to ensure that the trailer is securely attached and that the safety chains are criss-crossed. This practice provides additional safety and stability during transit. When the trailer is securely fastened to the towing vehicle, it reduces the risk of detachment while on the road, which can lead to accidents or loss of load.

The criss-cross configuration of the safety chains acts as a safety measure in the event the trailer becomes disconnected. Should a disconnection occur, the crossed chains can catch the trailer's tongue and keep it off the ground, preventing it from swinging freely and potentially causing a hazard to other drivers.

This approach is crucial for safe towing practices as it significantly enhances the overall safety of the towing operation. Other options do not prioritize these safety measures, making them less advisable for anyone towing a boat trailer.