Translations:Coupling/1/en
Appearance
Coupling is the method of connecting rail vehicles together and forming a train . There are a few coupling system types in existence. The one in Derail Valley is universally known as “chains and buffers”. With it, the vehicles are kept together by a tightly screwed chain, but held at a distance by shock absorbers known as buffers. There are also air line hoses between the vehicles. When connected and with their valves open, they form a shared compressed air vessel throughout the train, as part of the train brake system.