Frasier: But my job is to suspect everybody. Please, introduce me to your... No, no, never mind. I know your guests by reputation. This must be Mr. Wing, the silk merchant. Did you witness anything suspicious, Wing? [Bulldog is frozen with fear] Of course, the inscrutable and mute Mr. Wing, who ... wears a bell on his hat. Did you witness anything suspicious, Wing? [Frasier shakes bell] No, eh? I'll remember you said that.