You can earn all sorts of shapes. You may use whatever shapes you want from the aluminum cans, you're able to paint them colors if you love or you may use a different clip or perhaps you would love to do a headband instead
FOR MOM: Rice Heating Pads. Great tutorial and materials list. perfect for neck or for lap/back. I've made similar heating pads, but I like the divided sections on these pads. They probably form to the body better.