The claw on the "active" tentacle rotates in place, and Otto looks a bit sheepish.

"I'm sorry. They help me with my sight - my eyes aren't what they used to be." He taps the edge of his dark glasses. Though he knows it can come off as unnerving, there's nearly always at least one actuator looking wherever he is these days, especially when they're out in the sunlight.

As to the rest...well. What do you even say to that? "I see. Well, they seem to be enjoying what you've done so far."