Just look at the pictures and you should be able to figure it out. If not shoot me an email.
Step 1. Take a dishrag and fold the longer edge 1/3 of the way down. Cut from the shorter edge to the fold.
Step 2. Cut along the fold itself about 3-4 inches on either side to create a neckline.
Step 3. Open up rag and quickly drape it over your child to be sure there is plenty of room around the neck area.
Step 4. Pin double fold bias tape around the cut edges. Sew in place, taking your time around the curves.
Step 5. Attach a 1 inch velcro square to the top edge. If you don't have velcro just use a large button and make a button hole on the opposite side.