Those are its eye stalks. I don't imagine pressing with a lot of force on its eyestalks is something a slug likes to do, but then again I haven't asked any yet.
it was ringing the bell somehow, what else could it have been? even a particularly fat slug would have trouble pressing the bell as its vertically aligned.
but its nothing like pornography. were talking about "screen time" which is a vague generic idea, just the same as "social media" encompasses pretty much any major tech companies website/app instead of actual mediums for socializing like IRC, forums etc that were around for decades prior just never called that