Go to a stained glass supply store and ask for a fid. There are both plastic and wooden ones. I like the wooden one best, it fits in the palm of your hand nicely, and the point is not too pointed.
Or chopsticks or one of the larger plastic crochet hooks works well too.
Originally Posted by Linda B
It's made from wood, is kind of flat, maybe 1/2" or so wide. I don't know how long or how thick, but it is used to push out corners when turning something right-side out. I've done notions searches on several sites and can't find it. Did I dream it up?