Ideas
Thanks everyone. One more question — if those random hats and accessories appear on someone you’re not currently playing with but who belongs to one of your households, can you remove them from their head? As I mentioned, I can’t — they don’t show up in CAS, and when I use “Change Outfit” in live mode, I can see they’re equipped in every outfit. Luckily, I didn’t save the game and quickly reset it, so they don’t have them anymore. But honestly, I’m now afraid to travel anywhere that has playgrounds or interactive objects.
That's been my experience. I've been trying to paint self-portraits of my Sim's various career outfits. But she returns from work wearing her astronaut helmet, and I can't remove it in CAS.
It doesn't seem to affect her interactions with other Sims, but it sure is annoying me.