Layer -(-1) privledged layer, accessible only through permission system

Layer-0 pants are the ones touching your arse.
Layer-1 pants cover Layer-0 (tights, stockings, trousers).
Layer-2 pants (optional) cover Layer-1 (shorts over tights, trousers, etc…)

Simple

What about the waterproof overpants that keep your regular pants dry???

Well they are not overpants

Now that you have successfully gotten your brain to flip the cube in to the different orientations; now while it is flipping flatten it to a 2D shape with a small square in the middle.

Long ago; a non-tech friend saying to another non-tech friend. “you should try it on VLC; it’ll play a slice of cucumber” when referring to some obscure video file they had.

Got nothing to do with being humanoid.

Bipedal predators are a rounding error, probably the most effective hunter/killer robot would be dog shaped and medium dog sized, with a back mounted turret.

Give it pack tactics, with radio comms…