And if you ever see "DO NOT HUMP" on the side of a car, this is what it refers to. Crews also "kick" cars in flat yards which looks a bit more like humping in

And if you ever see "DO NOT HUMP" on the side of a car, this is what it refers to. Crews also "kick" cars in flat yards which looks a bit more like humping in that brakeless cars roll down tracks on their own: https://youtu.be/zEWE3df6Q2s?t=248 https://youtu.be/zEWE3df6Q2s?t=248