Queer Crafternoon - A felting book from the library (Needle Felting for Beginners by Roz Dace and Judy Balchin) had the great idea of using cookie cutters to make felted ornaments! And
Needle Felting with Cookie Cutters - Easy to Follow Instructions for Beginners - Create Adventure
Needle Felting in a Cookie Cutter: Felting For Beginners! - YouTube