- Synthetic materials, such as polyester, are unsuitable because they will melt with heat. Pick preshrunk, natural fibers. Cotton is a terrific choice because it can be found in lots of different prints and colors, and washes well. It also breathes well, which means that the heat and aroma (if you're using scented materials for the stuffing) will radiate to you better.
- Use flax seed instead of rice; the oil will stay hot much longer. If you'd like a nice scent in the buddy warmer, you can add some essential oils or dried potpourri that has a smell you like. Add only a little---too much will end up making your buddy warmer feel greasy and prone to collecting dirt.
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To make a very simple warmer in a pinch, you don't need to sew anything. You can grab an old nylon stocking, a sock, or even an old towel. Just put the stuffing in the stocking, sock, or towel, tie up the opening or ends to keep the stuffing inside, and the warmer is serviceable.
If you want one that is a little longer lasting, put two pieces of cloth of identical shape and size (shape and size is up to you, based on your needs) so that the finished or patterned sides face each other. Stitch three sides together by hand or with a sewing machine. Turn the pouch inside out so that the finished/patterned side now is on the outside. Put the stuffing in, fold over the open end, and stitch the pouch closed. If you want a warmer that will rest over your shoulders without falling off, simply make two smaller pouches and sew them on to the ends of a long rectangular pouch, or cut the main pouch so it is shaped like a circle or the letter "u." -
If you attach a few strips of hook-and-loop tape to the pouch, you'll have an easy way to secure it in place where you need it.
Using your original pieces as a pattern, make a cover with a zipper for your buddy warmer. Then you can toss this in the wash instead of your entire warmer, and the warmer itself won't be collecting the dirt and grime from your skin.
