If there's no where to hang it aside from a designated area that as a passenger you don't have access too, you let the crew member do it and remember to be poli

If there's no where to hang it aside from a designated area that as a passenger you don't have access too, you let the crew member do it and remember to be polite. Same as in a restaurant, you don't take your own plates back into the kitchen and clean them off, because the waiting team does that and probably wouldn't like you muscling in.