If youre curious how to crochet on flip flops, this post will answer all your questions including if they fall apart over time.
Глазки для куклы Машеньки. МК
Lists different plants to use to get different die colors, but there are not examples, so more research would be required. There're some examples there that aren't elsewhere.
Simple patterns in shibori
30 plants that you can grow in your garden to use as natural dye! By Nikki Tiley (Author of The Bulb-o-licious Garden)