The rational behind not drying herbs in the sun is the slower you dry them the more scent, flavor & nutrients are preserved in the herbs.
A rice sock is a quick heating pad/cold compress that can be made from a sock or the pant leg of some old jeans,(basically a rectangular tube of cotton fabric), or in a pinch a sock (except the socks' loose weave can sometimes have rice popping out!) depending on the size you want. I make a mixture of pasta, rice & lavender and fill the 'sock.' Then it can be heated in the microwave or dry crock pot & used as a heating pad or frozen to use as cold compress. Very nice for labor or winter mornings. You can get fancy and make contour 'rice socks' that fit the nape of your neck. I also make 'bean bag' ones that I freeze & can be used on bumps & bruises & is much more comfy than ice. Just be sure & freeze in a ziplock bag. The 'bean bag' ones I make I have a few that I use as heating pads in the cold winter mornings, I tuck 2 heated rice bags in my bra for my morning walk cause if i get too cold in there I just aches. I have one that I heat & use in the front of my underwear too for menstrual cramps. I have also made little stuffed animal froggy ones that are nice to heat for little ones to take to bed & snuggle on cold winter nights.

I've even seen a pattern to make slippers that have rice soles that can be heated before wearing!

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