We had a hen who did this also. From the time the kittens were born, she would sit on them and keep them warm while the mother was out hunting, and then they'd trade places while the hen ate so the cat could feed her kittens.
Instant digital download. The Trifold wallet is both very cute and practical (can hold over 20 cards). It's great fun to make with colorful fabrics. The wallet has seven pocket, two of them with zippers.
A cute little kitten has lost ... and found his mittens!