1. Invisible fasten off the flat piece (Piece A). Hold Piece A on top of the other piece(Piece B), with the“right side” visible.

2. Thread the yarn tail from Piece A's invisible fasten off onto a ne- edle. Insert the needle into Piece B directly beneath where the yarn tail exited. Pull the needle out one stitch over, following the edge of Piece A. Repeat this process for every step, making sure to pull the yarn tight each time.

3. Insert the needle from the bottom up under the top loops of Piece A, directly above where it exited from Piece B.

4. Insert the needle under the top loops of the next stitch of Piece A, but from the top down this time.

5. Insert the needle into Piece B, directly below where it exited from Piece A. Pull it out of Piece B one stitch over, while following the edge of Piece A.

6. Repeat steps 3-5 until all of Piece A is sewn onto Piece B. To finish, hide the yarn tail in the piece