dress up a pillowcase
It's a square fish! School assignment was to make a simple pillow case. I really wanted to expand my creative abilities so I came up with this. A little weird but my cat loves it.
My image is too big to fit so I'm just gonna have to tell you.
make a pocket(cut a slit in fabric)for your fins and insert your fin into it. Fold over ends and sew on. Do this for both fins and both tail fins.
Put pretty sides together, watch out for fins, and sew like a normal pillowcase.
Sorry if the instructions suck, it's my first