And don't forget to throw some old PERSONAL item. If you have a conection with your pet they love you smell. PERIOD.
I had to sarcifice a bandana to make a hammock for my ferret in his cage (which is allways open) and that is where he sleeps. Okay sometimes i find him in some unexpected place (Dirty loundry most often tbh.) but that is where he spends most of his time.