2. Look for a small hole in the wall. There is a small hole in the wall behind you. Jump through the hole.
3. Follow the path. The path will lead you to a small clearing. There is a frill on the ground in the middle of the clearing.
4. Pick up the frill. Jump on the frill to pick it up.
Once you have picked up the frill, you will have completed the Ty 2 level crouching koala hidden frill.