I can't seem to get off the trains train, lol. The below photograph attracted my attention a few years ago. I think this particular system was used a bit...
Pictures of Canadian Steam Engines, Train Stations, Cabooses, Train Bridges and Grain Elevators, Cabooses, Train Stations, Train Bridges and Grain Elevators
141 378 - Deutsche Bundesbahn
Railbox TBox Train Car A.M. December 2020 #2
Bトレインショーティーの改造