How Does the Moisture Change the Shape of the Erodium Seed

We got very inspired by seeds called erodium. The seeds, once they are dispersed, basically they can decos and bury themselves into the ground. Basically the seed pod has a moisture responsive body and this body will unwind itself when the moisture level is rising up. It's a little bit like how our electronic hand drill works. So it is literally a seed drill. That's what farmers use, isn't it, to plant seeds? That's intriguing. We're trying to find ways to engineering replicas.