A foldable automatic twistlock arrangement for connecting a container to a load surface of a rail wagon or a trailer, wherein the foldable automatic twistlock arrangement comprises: an automatic twistlock having a fastener element, the fastener element comprising a rotatable fastener shaft with a twistlock head, wherein the fastener element is adapted to be operable between a locked position and an unlocked position when brought into contact with the container, a housing unit comprising a base plate, the base plate having a top surface, wherein the fastener element is positioned within the housing unit and extends substantially outwardly from the top surface of the base plate, and a hinge arrangement adapted to reversibly fold the base plate from an open position to a closed position, wherein, in the open position, the automatic twistlock extends above the load surface of the rail wagon or trailer so that it may interact with the container or engage with the container, and wherein, in the closed position, the automatic twistlock is received within a recess located within the load surface of the rail wagon or trailer, a locking means adapted to lock the base plate of the housing in the open position wherein the locking means comprises one or more locking bolts (41, 42), wherein the hinge arrangement comprises one or more knuckles (33a, 33b) located at a first end of the base plate and a pivot pin about which the one or more knuckles (33a, 33b) may rotate, characterised in that each of the locking bolts (41, 42) comprise a handle end and a locking end, wherein the handle end extends outwardly from the first end of the base plate and the locking end extends outwardly from a second end of the base plate. an automatic twistlock having a fastener element, the fastener element comprising a rotatable fastener shaft with a twistlock head, wherein the fastener element is adapted to be operable between a locked position and an unlocked position when brought into contact with the container, a housing unit comprising a base plate, the base plate having a top surface, wherein the fastener element is positioned within the housing unit and extends substantially outwardly from the top surface of the base plate, and a hinge arrangement adapted to reversibly fold the base plate from an open position to a closed position, wherein, in the open position, the automatic twistlock extends above the load surface of the rail wagon or trailer so that it may interact with the container or engage with the container, and wherein, in the closed position, the automatic twistlock is received within a recess located within the load surface of the rail wagon or trailer, a locking means adapted to lock the base plate of the housing in the open position wherein the locking means comprises one or more locking bolts (41, 42), wherein the hinge arrangement comprises one or more knuckles (33a, 33b) located at a first end of the base plate and a pivot pin about which the one or more knuckles (33a, 33b) may rotate, characterised in that each of the locking bolts (41, 42) comprise a handle end and a locking end, wherein the handle end extends outwardly from the first end of the base plate and the locking end extends outwardly from a second end of the base plate.