Here is what I did with that little heart. I made the hat using this pattern as a base, using the same scrap yarn as the heart and adding the cotton flocked ribbon yarn, also an unmarked type yarn and a hook size of "H".
Once the hat was done I added a face to both sides of the heart with magic markers, fine point. Added a little hair to the top knot. Tied it into the center of the top of the hat and I call it a Bobble Heart Hat. I think it will be a fun hat for a baby to wear.