The trailer coupling plays a crucial role in evenly distributing the trailer’s weight across both the towing vehicle and the trailer’s axles. This balanced distribution enhances stability while driving. By properly sharing the weight, the coupling prevents excessive strain on any single axle, reducing the risk of swaying or loss of control. This distribution also optimizes the handling and manoeuvrability of both the towing vehicle and the trailer, ensuring a safer and more efficient towing experience.