Places like Walgreen's carry the thermapore type pads. They are electric, but have this flannel cover that for some reason creates a moist heat, as opposed to a plain electric heating pad that just gets hot.
I use flax pacs. You can use almost any type of grain (rice, corn, or ? I prefer flax seed, which you can buy in the bulk section at stores that sell bulk grains, or you can buy a 20# or more bag at a feed store and make a LOT) In a pinch you can dump a couple bags of cheap rice in a pillow case, knot it so that the bag is a little loose and floppy and nuke it in the microwave.
How long you microwave it depends on how big it is, and your particular microwave, so you should do it in one or two minute increments so that you don't scorch it. If you scorch it, it smells really really nasty.
I use smaller ones on people's feet during a massage to keep them cozy. I have a very large one that I nuke every night and take to bed with me. It stays warm for hours.
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If you sew, an easy way to make them is to take a pair of un- loved jeans, and cut a section out of the leg, leaving in both of the leg seams. Sew one end closed, sew the other end partially, and then use a funnel to fill it with flax or rice, and then sew the opening closed. You can use it in the microwave, or put it in a baggie and freeze it for an ice pack.
If you buy one at a store you'll pay an outragous price for some grain and two pieces of fabric sewn together.
You can add nice smelling herbs if you like, or so I am told.
savannah
savannah