I'm not sure it exists as such as a locution, least of all with a conjugated verb. In any case, see "throwing the rope after the cauldron" , "the rope after the cauldron" .
You are like the rope behind the cauldron : It is a popular expression aimed at the person who is dependent on another. It means that one person always walks next to each other. say when one person comes to your house and behind comes the other, then it's the rope behind the cauldron