Hammock Hangers! Like the hanging cat radiator bes but for rats and other small critters!! Soo cool that it makes me want to move my bed away from the radiator so that I could hang one off the radiator!!
Petco Square Fleece Cat Throw in Pink and Cream - 24"; L X 24"; W, A luxurious fleece cat throw with stylish whip-stitched edging. Great for naptime. Provides cozy comfort for your furry friend anywhere you place it. - http://www.petco.com/shop/en/petcostore/petco-square-fleece-cat-throw-in-pink-and-cream