[meristohm]

Processing plant fibers for string/rope/etc. Nettle, yucca (so I've heard), hemp, ... it's a long list but regional.

Humming to find the resonant frequencies of the space you're in.

Observational drawing- paper, pencil, draw what you see (or if not sighted, maybe there's a similar activity?)

Listening to what's happening around you. Originally thinking birdsong, but the lowest barrier is just where you are.