“Okay, let me know when you've finished. And while you're working on that, let's get you some energy so you can flap. Make another thing that slows down like you did before. It doesn't need to be on the ground, so just make two small parts that can turn against each other.”

He makes a thing that might be intended as an example: it's a cylindrical cup sort of like the eye casing, with another cylindrical part on the inside, but both parts have grooves and bumps that plausibly could be used to grab and turn them.