Tools

Do love a good pourover, excellent analogy.

You might be thinking of one of the Brazilian Wandering Spiders https://en.wikipedia.org/wiki/Phoneutria_nigriventer

Was featured in the second part of this brilliant documentary https://archive.org/details/deep_jungle

Presenter runs into one while searching for a spider that had reportedly made off with a chicken (not the same spider).

I'll add How Not to Live Your Life just because you may not have heard of it, though I've no idea where you might be able to watch it.

Touching, Cloth.

I'd recommend traktion waveform. There's a free version. Likely has most if not everything you need. Pretty sure the underlying engine has been open sourced.

Seal launch