https://www.cutoutandkeep.net/projects/how-to-make-a-granny-square-pincushion • Posted by Mandi @ make it dear
Cut 2 squares of felt slightly larger than your granny square.
Sew 3 sides together.
Flip square out so seems are on the inside. Stuff square and sew closed, you will now have a stuffed felt square.
Sew your Granny Square to the top of the felt square. And you are done!