Have a commercial buckwheat hull pillow. It does make some noise.
As a teen tried making a cattail fuzz pillow. It rapidly packs together till the pillow is slightly softer than a brick.
Country oriented nerd with primary interests in alternate energy in particular solar. Dabble in gardening, trees, cob, soil building and a host of others.
This is an interesting idea. Perhaps mixing seed with down and cattail fluff would be effective. I've made a small dream pillow with a number of fragrant herbs in cotton cloth. Doubling the fabric might help reduce any amounts of plant dusts getting through.
I've got no option but to sell you all for scientific experiments. Or a tiny ad:
Our PIE page has been updated, anybody wanna test?