Little red dog lying on a kind of windowsill looking out of a train window

Little red dog curled up like a cat in a cat-size box between seats on a beige blanket

When I get hold of a drug against long Covid I will start a complement: #dograiling? #doglog perhaps? We did some family visiting within Germany and even on a 7h trip she was ok. She is bigger than a cat but loves to curl up in a cat size open-top foldable box so is generally accepted by personnel