1. Thread embroidery needle with an 18-inch length of embroidery thread. Tie a knot in the opposite end. 

2. Insert needle into the opening of the pincushion underneath the topper.  Push needle up through pincushion fabric and out of the topper (about 1/8-inch from the edge of the topper).  Pull needle through.

3. Stitch topper to pincushion fabric all the way around.

4. Once you have stitched all the way around the topper, tie a knot in the thread as close to the pincushion as possible, push needle through fabric right next to the edge of the topper and back out again about 1/4-inch away.  Pull thread taut to pop the knot inside the cushion. Trim thread end.