Try making it out of many strands of dark (gray, black, brown, etc.) wool. Tie these together at one end and add a paperclip for attachment to your belt or clothes. Making one from papier mâche might also work, or stuffing a stocking with newspaper.
Just make a tail that's about 1 inch for every 2 stitches. Any craft store that sells knitting needles should have circular needles that are just the same size as...
It's more of a repellent than a killer. Since I switched to lemon bleach cleaners, I've seen a drastic reduction in my unwanted visitors indoors. I also spray bleach around...
It won't kill them, but it can serve as a repellent. Lime-scented washing detergent would work as well. Also, another repellent is peppermint oil, peppermints, or anything peppermint-scented. Any citrus...
For a bird tail, make a small, thick cone-shaped triangle, and round the tip. For the ruffles, flatten some clay and stick it to the tail. Repeat as necessary.