She'd misplaced her last little white short-furred mouse with the suede tail, so I thought I'd try to crochet her something similar in size and shape.
small quantity white worsted yarn
3.5 mm hook
catnip, optional
Ch 15 for tail.
Sl st in third ch from hk, 5 sc in loop, holding remaining tail chains towards you and working behind them, join w sl st.
(Sc, 2 sc in next sc), repeat 3 times altogether, join w sl st behind tail as before.
(2sc, 2 sc in next sc), repeat 3 times altogether, join w sl st.
(3sc, 2 sc in next sc), repeat 3 times altogether.
Work 2 rnds without increasing.
(2sc, sc2tog) continuously til only a few sts remain (3 or 4) and you can't decrease comfortably any more.
Close off to make nose as pointed as possible and cut yarn. Stick hook into mouse near tail and pull yarn end from "nose" to inside of mouse. Hide yarn end from tail in tail chains.
You can sprinkle a little catnip inside if you like as soon as you're ready to begin the decrease rounds.
Alternatively, you can put the mouse in a little plastic bag of catnip and shake it around (just like chicken!) to enhance your cat's play time.
Stuffing shouldn't be needed if the fabric is worked fairly tight. A hollow mouse is easier for a cat to pick up with the mouth.