Bell was like a cat in many regards. They were usually poking around the safehouse, they were hot and cold with their affections, coming up to bother you with a question then disappearing, etc etc. But most of all they were dead silent as they moved.

Adler never corrected it, it was good for missions even though everyone got a little shock whenever they crept up on them. So you decided to do something yourself.

Bell curiously eyed the bracelet you'd given them, it was a charm bracelet with mainly silver bells. Their eyes narrowed, "Why?" They didn't understand the sudden gift but they didn't seem averse to it as they were hesitantly jingling it around.